Learning never exhausts the mind
Italian polymath of the Renaissance whose areas of interest included invention, drawing, painting, sculpting, architecture, science, music, mathematics, engineering, literature, anatomy, geology, astronomy, botany, writing, history, and cartography.
Let the other guys do the crybaby stuff. Go for the laughs
To handle yourself, use your head; to handle others, use your heart
Peace comes from within. Do not seek it without
Sexual self-restraint is only a preliminary stage in the ego's evolution
Nobody realizes that some people expend tremendous energy merely to be normal.
If you don’t want to do something, don’t impose on others
Inventor, Scientist
Author, Inventor, Philosopher, Scientist
Historian, Priest, Theologian
Historian, Philosopher, Writer
Author, Scientist
Astronomer, Philosopher, Scientist
Philosopher, Scientist
Artist, Playwright, Poet
Inventor, Scientist
Comedian, Historian, Philosopher
Scientist
Philosopher, Scientist
Inventor, Scientist
Philosopher, Scientist
Philosopher, Poet, Scientist
Inventor, Scientist, Writer
Historian, Philosopher, Poet
Historian, Philosopher, Poet
Inventor, Scientist
Historian, Philosopher
Scientist, Writer
Inventor, Scientist, Writer
Inventor, Politician, Scientist, Writer
Philosopher, Scientist
Scientist