My own view on religion is . . . It helped in early days to fix the calendar, and . . . to chronicle eclipses . . . These two services I am prepared to acknowledge.

We believe, first and foremost, what makes us feel that we are fine fellows.

The sea, the stars, the night wind in waste places, mean more to me than even the human beings I love best.

Unrestricted nationalism is, in the long run, incompatible with world peace.

Hatred of enemies is easier and more intense than love of friends. But from men who are more anxious to injure opponents than to benefit the world at large no great good is to be expected.

Love is something far more than desire for sexual intercourse; it is the principal means of escape from the loneliness which afflicts most men and women throughout the greater part of their lives.

Science does not aim at establishing immutable truths and eternal dogmas; its aim is to approach the truth by successive approximations, without claiming that at any stage final and complete accuracy has been achieved.