Know what you are talking about.
If you can't explain it simply, you don't understand it well enough.
The only true wisdom is in knowing you know nothing.
Medicine is my lawful wife and literature my mistress; when I get tired of one, I spend the night with the other.
Action not backed by knowledge and knowledge not translatable into action, both can not stand the test of time.
It is beyond a doubt that all our knowledge begins with experience.
Men are born ignorant, not stupid. They are made stupid by education.
All sciences are vain and full of errors that are not born of Experience, the mother of all Knowledge.
Education is a human right with immense power to transform. On its foundation rest the cornerstones of freedom, democracy and sustainable human development.
Industrialize or perish.
Education is the kindling of a flame, not the filling of a vessel.
Free the child's potential, and you will transform him into the world.
Knowing others is wisdom, knowing yourself is Enlightenment.
The man who is fond of books is usually a man of lofty thought, and elevated opinions.
I decided to teach because I think that any person who studies philosophy has to be involved actively.
When I am attacked by gloomy thoughts, nothing helps me so much as running to my books. They quickly absorb me and banish the clouds from my mind.
To every action there is always an equal and opposite or contrary, reaction
A little knowledge that acts is worth infinitely more than much knowledge that is idle.
Knowledge becomes evil if the aim be not virtuous.
Education is the ability to listen to almost anything without losing your temper or your self-confidence.
Investigate, educate and organize.