There are many people in the world who really don't understand-or say they don't-what is the great issue between the free world and the Communist world. Let them come to Berlin!

Have courage for the great sorrows of life and patience for the small ones and when you have laboriously accomplished your daily task, go to sleep in peace.

Pain and foolishness lead to great bliss and complete knowledge, for Eternal Wisdom created nothing under the sun in vain.

There is no great genius without a mixture of madness.

Before we acquire great power we must acquire wisdom to use it well.