In a country well governed, poverty is something to be ashamed of. In a country badly governed, wealth is something to be ashamed of.
He who learns but does not think, is lost! He who thinks but does not learn is in great danger.
Photograph: a picture painted by the sun without instruction in art.
The joy of the mind is the measure of its strength.
If you talk to a man in a language he understands, that goes to his head. If you talk to him in his language, that goes to his heart.