If you've never failed, you've never tried anything new.

Nothing truly valuable can be achieved except by the unselfish cooperation of many individuals.

If this being is omnipotent, then every occurrence, including every human action, every human thought, and every human feeling and aspiration is also His work; how is it possible to think of holding men responsible for their deeds and thoughts before such an almighty Being? In giving out punishment and rewards He would to a certain extent be passing judgment on Himself. How can this be combined with the goodness and righteousness ascribed to Him?

I know that philosophically a murderer is not responsible for his crime, but I prefer not to take tea with him.

The majority of the stupid is invincible and guaranteed for all time. The terror of their tyranny, however, is alleviated by their lack of consistency.

It would be better if you began to teach others only after you yourself have learned something.

We cannot get to where we dream of being tomorrow unless we change our thinking today.