Honor and shame from no condition rise. Act well your part: there all the honor lies.
Duty is heavier than a mountain, death lighter than a feather.
The perfect man of action, is the suicide.
See first, think later, then test. But always see first. Otherwise you will only see what you were expecting. Most scientists forget that.
He attacked everything in life with a mix of extrordinary genius and naive incompetence, and it was often difficult to tell which was which.
The ballot is stronger than the bullet.
With great power comes great responsibility.
Keep thy religion to thyself.