"I am indebted to my father for living, but to my teacher for living well," said Alexander the Great once. Indeed, the Greek King had much to be thankful for. He not only received guidance and education, but his teacher was the famous Greek philosopher Aristotle.

Teachers have always pushed us harder; given us perspective, and if nothing else, made learning experience fun.

On 5 September, India celebrates and commemorates one of its favourite teachers -- Dr.Sarvepalli Radhakrishnan. So on this Teachers' Day, we bring to you a few hilarious, awkward and inspirational quotes from our favourite teachers in Hollywood movies.

Yoda in Star Wars: Adventure. Excitement. A Jedi craves not these things.

Jack Black as Mr. Dewey in School of Rock: Math is a wonderful thing. Math is a really cool thing. So get off your ath, let's do some math. Math, math, math, math, math. Three minus four is?

Alan Rickman as Severus Snape in Harry Potter Movies: Yes, it is easy to see that nearly six years of magical education have not been wasted on you, Potter. 'Ghosts are transparent.'

Tina Fey as Ms. Norbury in Mean Girls:  I know having a boyfriend might seem like the only thing important to you right now, but you don't have to dumb yourself down in order for a guy to like you.

Holland Taylor as Professor Stromwell in Legally Blonde: If you're going to let one stupid prick ruin your life, you're not the girl I thought you were.

Cameron Diaz as Elizabeth Halsey in Bad Teacher: You know Lynn, when I first started teaching I thought that I was doing it for all the right reasons. Shorter hours. Summers off. No accountability.

Robin Williams as Mr Keating in Dead Poets Society: No matter what anybody tells you, words and ideas can change the world.

Julia Roberts as Katherine Watson in Monalisa Smile: What will future scholars see when they study us, a portrait of women today? There you are ladies: the perfect likeness of a Wellesley graduate, Magna Cum Laude, doing exactly what she was trained to do. Slide - a Rhodes Scholar, I wonder if she recites Chaucer while she presses her husband's shirts. Slide - hehe, now you physics majors can calculate the mass and volume of every meatloaf you make. Slide - A girdle to set you free. What does that mean? What does that mean? What does it mean? I give up, you win. The smartest women in the country, I didn't realize that by demanding excellence I would be challenging.