The sentiments of an adult are compounded of a kernel of instinct surrounded by a vast husk of education.

We know very little, and yet it is astonishing that we know so much, and still more astonishing that so little knowledge can give us so much power.

The search for something permanent is one of the deepest of the instincts leading men to philosophy.

To realize the unimportance of time is the gate to wisdom.

In view of the fact that in any future world war nuclear weapons will certainly be employed, and that such weapons threaten the continued existence of mankind, we urge the governments of the world to realize, and to acknowledge publicly, that their purpose cannot be furthered by a world war, and we urge them, consequently, to find peaceful means for the settlement of all matters of dispute between them.

While economics is about how people make choice, sociology is about how they don't have any choice to make.

Collective fear stimulates herd instinct, and tends to produce ferocity toward those who are not regarded as members of the herd.