Logic is like the sword–those who appeal to it shall perish by it.
A concept is a brick. It can be used to build a courthouse of reason. Or it can be thrown through the window.
I am the master of my failure… If I never fail how will I ever learn.
Everything must be made as simple as possible. But not simpler.
Science is what we have learned about how to keep from fooling ourselves.
The educated differ from the uneducated as much as the living differ from the dead.
Rationality attracts conscientious humans, whereas mysticism attracts fools.
If voting made any difference they wouldn’t let us do it.
The best way to find out if you can trust somebody is to trust them.
Never memorize something that you can look up.