The value of a man should be seen in what he gives and not in what he is able to receive.

Out of complexity, find simplicity!

During the youthful period of mankind's spiritual evolution human fantasy created gods in man's own image, who, by the operations of their will were supposed to determine, or at any rate to influence, the phenomenal world. Man sought to alter the disposition of these gods in his own favour by means of magic and prayer.

The physicist's greatest tool is his wastebasket.

The problems that exist in this world can not be solved by the level of thinking that created them.

External conditions can, to a certain extent, reduce, but never cancel individual repsonsibility.

Good acts are like good poems. One may easily get their drift, but they are not rationally understood.