I don't think the human mind can comprehend the past and the future. They are both just illusions that can manipulate you into thinking there's some kind of change.

The writer is the engineer of the human soul.

Even deserts can be irrigated and top soil can be replaced. We cannot complain of a lack of land, for there are twenty-five million square miles of tillable land, of which we are using less than seven million. We have amazing knowledge of vitamins, nutrition, the chemistry of food, and the versatility of atoms. There is no deficit in human resources; the deficit is in human will.

There is no human circumstance more tragic than the persisting existence of a harmful condition for which a remedy is readily available. Family planning, to relate population to world resources, is possible, practical and necessary.

The brain can be developed just as the muscles can be, if one will only take the pains to train the mind to think.

I do not need drugs to be a genius, do not take a genius to be human, but I need your smile to be happy.