“Man, like the universe, is a machine. Nothing enters our minds or determines our actions which is not directly or indirectly a response to stimuli beating upon our sense organs from without.”

Love: I recognize the emotion for what it is, an irrational self-destructive impulse, which is disguised as joy.

I have always been ahead of my time.

It is not in the shallow physical imitation of men that women will assert first their equality and later their superiority, but in the awakening of the intellect of women.

It will soon be possible to transmit wireless messages around the world so simply that any individual can carry and operate his own apparatus.

These are only new devices for putting the weak at the mercy of the strong.

The individual is ephemeral, races and nations come and pass away, but man remains.

It is a mere question of time when men will succeed in attaching their machinery to the very wheelwork of nature.

My ear barely caught signals coming in regular succession which could not have been produced on earth.

The last 29 days of the month are the toughest!

Life is and will ever remain an equation incapable of solution, but it contains certain known factors.

Sometimes I feel that by not marrying, I made too great a sacrifice to my work.

Today’s scientists have substituted mathematics for experiments, and they wander off through equation after equation, and eventually build a structure which has no relation to reality.

If you only knew the magnificence of the 3, 6 and 9, then you would have the key to the universe.

Life is and will ever remain an equation incapable of solution, but it contains certain known factors.

The practical success of an idea, irrespective of its inherent merit, is dependent on the attitude of the contemporaries.

A new idea must not be judged by its immediate results.