I am always doing that which I can not do, in order that I may learn how to do it.
Every truth has four corners: as a teacher I give you one corner, and it is for you to find the other three.
Every man I meet is my superior in some way. In that, I learn of him.
Every man who rises above the common level has received two educations: the first from his teachers; the second, more personal and important, from himself.
Anyone who stops learning is old, whether at 20 or 80. Anyone who keeps learning stays young. The greatest thing in life is to keep your mind young.
They know enough who know how to learn.
A man who has committed a mistake and doesn't correct it, is committing another mistake.
You don't learn a language, you get used to it.
Failure is only the opportunity to begin again, more intelligently.
Tell me and I forget. Teach me and I remember. Involve me and I learn.