The first dogma which I came to disbelieve was that of free will. It seemed to me that all notions of matter were determined by the laws of dynamics and could not therefore be influenced by human wills.

Both in thought and in feeling, even though time be real, to realise the unimportance of time is the gate of wisdom.

Happiness, as is evident, depends partly upon external circumstances and partly upon oneself.

The fact that an opinion has been widely held is no evidence whatever that it is not utterly absurd.

The observer, when he seems to himself to be observing a stone, is really, if physics is to be believed, observing the effects of the stone upon himself.

The essence of education is that it is a change effected in the organism to satisfy the operator.

Next to enjoying ourselves, the next greatest pleasure consists in preventing others from enjoying themselves, or, more generally, in the acquisition of power.