Money only appeals to selfishness and always tempts its owners irresistibly to abuse it. Can anyone imagine Moses, Jesus, or Gandhi armed with the money-bags of Carnegie?

Past is dead Future is uncertain; Present is all you have, So eat, drink and live merry.

Don't listen to the person who has the answers; listen to the person who has the questions.

If [quantum theory] is correct, it signifies the end of physics as a science.

The great need to grasp principles had caused me to spend most of my time on fruitless persuits.

A conflict arises when a religious community insists on the absolute truthfulness of all statements recorded in the Bible. This means an intervention on the part of religion into the sphere of science; this is where the struggle of the Church against doctrines of Galileo and Darwin belongs.

Smoke like a chimney, work like a horse, eat without thinking, go for a walk only in really pleasant company.