I was only 44, which is childhood philosophy.
Anyone who stops learning is old, whether at twenty or eighty. Anyone who keeps learning stays young.
Education is the kindling of a flame, not the filling of a vessel.
The wise shall learn.
Self-education is, I firmly believe, the only kind of education there is.
There is nothing more notable in than that he found time, when he was an old man, to learn music and dancing, and thought it time well spent.
Intellectual growth should commence at birth and cease only at death.
An adult friend of Lincoln's: Life was to him a school.