Theories pass. The frog remains.

It is horrible to see everything that one detested in the past coming back wearing the colors of the future.

Take heed of critics even when they are not fair; resist them even when they are.

Literature: proclaiming in front of everyone what one is careful to conceal from one's immediate circle

I don't judge a regime by the damning criticism of the opposition, but by the ingenuous praise of the partisan.

Being right is less important to us than the freedom to be wrong.

To reflect is to disturb one's thoughts.