George Santayana, 1863-1952
was an US (Spanish-born) philosopher
The wisest mind has something yet to learn.
Pablo (Ruiz) Picasso, 1881-1973
was a Spanish Cubist painter
I am always doing that which I can not do, in order that I may learn how to do it.
Albert Einstein, 1879-1955
was an US (German-born) physicist
Never regard study as a duty, but as the enviable opportunity to learn to know the liberating influence of beauty in the realm of the spirit for your own personal joy and to the profit of the community to which your later work belongs.
I never teach my pupils. I only attempt to provide the conditions in which they can learn.