You feed your depressive thoughts through overthinking.

I never had any desire to defend myself, and never did I seriously think about it.

A good leader can engage in a debate frankly and thoroughly, knowing that at the end he and the other side must be closer, and thus emerge stronger. You don't have that idea when you are arrogant, superficial, and uninformed.

The virtues, like the Muses, are always seen in groups. A good principle was never found solitary in any breast.

It'll be all of our efforts together. It won't won't ever be exactly the way I imagined it. And that is, I think, an important lesson as well, is that in any group enterprise it's going to be the sum total of the group.

Memory is deceptive because it is colored by today's events. 

The ultimate value of life depends upon awareness and the power of contemplation rather than upon mere survival.

Hatred does not cease by hatred, but only by love; this is the eternal rule.

The chief function of the body is to carry the brain around.

Once an organization loses its spirit of pioneering and rests on its early work, its progress stops. 

Most people spend more time and energy going around problems than in trying to solve them. 

Culture of the mind must be subservient to the heart.