Greek "writer, philosopher".
"He is credited with "inventing" logic and the science of reasoning."
The things we have to learn before we can do them, we learn by doing them."
It is unbecoming for young men to utter maxims.
One swallow does not make a spring.
Well begun is half done.
"Humor is the only test of gravity, and gravity of humor; for a subject which will not bear raillery is suspicious, and a jest which will not bear serious examination is false wit."
