Those who know, do. Those that understand, teach.
Aristotle's words acquire a larger-than-life embodiment in Bollywood's brand of educationists.
In Super 30, starring Hrithik Roshan, Bihar-based mathematician Anand Kumar's life and endeavours to set up a free coaching centre for underprivileged students to crack the IIT-JEE comes to the big screen.
Perfect occasion to list 30 real-life educators whose unique methods, unwavering dedication or scholarly persona impressed us.
Sukanya Verma takes note:
Rani Mukerji, Hichki
Rani Mukerji's persistent science teacher turns her Tourette's syndrome into her strength winning over a bunch of unruly class kids as well as haughty colleagues in Hichki.
Zaheer Iqbal, Notebook
Iqbal's effort to run a remote lake school in war-torn Kashmir and enrich the lives of a handful of village kids is appreciable in the exceptionally scenic Notebook.
Kareena Kapoor, Bajrangi Bhaijaan
No kid will skip school when their Ma'am is as glamorous as Bebo in Bajrangi Bhaijaan.
She'll do anything to protect hers. Only dare not pay attention in Sridevi's chemistry class at your own risk or back answer, as one finds out early in Mom.
Shabana Azmi, Chalk N Duster
How to make a dull or tough subject fun is a challenge for any academician. One that Shabana Azmi's sing 'n' song technique as Chalk N Duster's senior mathematics teacher is more than happy to take up.
Rishi Kapoor, Do Dooni Chaar
A middle-class maths teacher shuttling between classrooms and coaching to make ends meet and yet, despite struggling economics and temptations, doing well enough among his students to become a Facebook page dedication.
Aamir Khan, Taare Zameen Par
A brilliant mix of ingenious, informed and empathetic, Aamir Khan is a role model art teacher at a boarding school whose playful approach and perceptive temperament both recognises and offers solutions to a dyslexic schoolboy's problems.
Gayatri Joshi, Swades
Gayatri Joshi's no-nonsense teacher in Swades leaves her cushy city life behind to educate village children in the hope of an illiteracy-free India.
Sushmita Sen, Main Hoon Na
A chemistry teacher so dreamy even undercover students can't help breaking into an RD serenade! That's Sushmita Sen and her sexy sari collection in Main Hoon Na for you.
Cory Hibbs, English Vinglish
Not only is Mr David Fischer patient around a diverse ethnic bunch eager to learn English, but also takes personal interest to help them make headway in the delightful English Vinglish.
Archana Purana Singh, Kuch Kuch Hota Hai
We'd never know Pyar dosti hai if a certain Ms Braganza from K Jo's school of hip campus romances had never asked.
Nagesh Kukunoor, Rockford
Nagesh Kukunoor in Rockford exemplifies that kindly teacher who gets you and helps you get through bumpy phases of adolescent years.
Shah Rukh Khan, Mohabbatein
A sweater wrapped, violin playing Shah Rukh Khan juggles between music teacher and love guru to offer romantic gyaan and welcome relief from Gurukul's stern principal in Mohabbatein.
Om Puri, Aastha
Om Puri's progressive, charismatic lecturer and his evolved thoughts and expansive knowledge on relationships and social culture make him a huge hit in his classroom and outside it in Aastha.
One of the most seductive stars on silver screen, Rekha teaches the ancient art of making love like only she can in Mira Nair's provocative drama.
Naseeruddin Shah, Sir
Fixing speech impediments in shy students to sing-along sessions in classroom to playing peacemaker in gangster wars, Naseeruddin Shah's 'Sir' is multipurpose as it gets.
Madhuri Dixit, Parinda
In a movie full of dark deeds and sinister actions, Madhuri's conscientious schoolteacher stands out as the moral beacon and believer of practice what you preach.
Dimple Kapadia, Arjun
Dimple's sweet-faced, sweet-natured, poetry-singing schoolteacher in Arjun is exactly what makes school attractive to nursery-goers.
Raj Kiran, Hip Hip Hurray
A computer engineer's stint as sports teacher of a Ranchi school provides lifelong lessons to a rebellious lot as they learn a thing or two about football and friendship.
Raaj Kumar, Bulandi
And the teacher of the year award goes to Raaj Kumar and his 'Khudi ko kar buland itna ke har taqdeer se pehle khuda bande se khud pooche, bata teri raza kya hai?' teaching ardour.
Dharmendra's dishy kurta-pyjama clad Sanskrit professor has his classroom, predominated by giggly girls, eating out of his palm as he acquaints them with Kalidas and his passionate storytelling.
Amitabh Bachchan, Chupke Chupke
Only a truly dedicated teacher would hold back his experience in literature and brush up his knowledge in botany to impress a pupil like AB's Shakespeare expert masquerading as ghaspoos ka doctorate in Chupke Chupke.
Dharmendra, Chupke Chupke
Who says teachers don't have a sense of humour?
Dharmendra suppresses his vanaspati vigyaan and spouts chaste Hindi to reveal a multifaceted scholar and award-winning actor pulling a fast one on his brother-in-law in Chupke Chupke.
Amitabh Bachchan, Kasme Vaade
The Big B is a dandily dressed, skilled, straightforward professor teaching Hindi poetry and throwing out inattentive students out of class with equal efficiency.
Vinod Khanna, Imtihaan
Vinod Khanna leaves his life of affluence behind to promote his powerful ideals and discipline a bunch of bratty students as Imtihan's history lecturer, endorsing 'kaanto pe chal ke milenge saaye bahaar ke.'
Jeetendra is his warmest best as the patient, private tutor of a group of disruptive, mischievous, siblings in Gulzar's take on The Sound of Music.
Kishore Kumar, Padosan
Kishoreda takes his music teacher duties most seriously to help his hopeless, tuneless pupil win the girl of his dreams by hook or crook in the rip-roaring classic, Padosan.
Simi Garewal, Mera Naam Joker
Occupying the hottest schoolteacher spot since 1970, Simi is also a picture of sympathy, inspiring her clearly smitten pupil to flourish beyond a class clown.
Abhi Bhattacharya, Jagriti
In an award-winning turn, Abhi Bhattacharya's revolutionary teaching style guides both wayward and disadvantageous children of his boarding school to the path of progress, virtue and redemption.
Nargis, Shree 420
Trust the affectionate Nargis to make learning feel like playtime around musical riddles like Ichak Daana Bichak Daana in Shree 420.