Psychology helps to measure the probability that an aim is attainable.

Colors fade, temples crumble, empires fall, but wise words endure.

Just as the science and art of agriculture depend upon chemistry and botany, so the art of education depends upon physiology and psychology.

Amongst the minds of animals that of man leads, not as a demigod from another planet, but as a king from the same race.

Psychology is the science of the intellects, characters and behavior of animals including man.

Human education is concerned with certain changes in the intellects, characters and behavior of men, its problems being roughly included under these four topics: Aims, materials, means and methods.

All that exists, exists in some amount and can be measured.

He who learns and runs away, lives to learn another day.

Nowhere more truly than in his mental capacities is man a part of nature.

The intellectual evolution of the race consists in an increase in the number, delicacy, complexity, permanence and speed of formation of such associations.

The dog, on the other hand, has few or no ideas because his brain acts in coarse fashion and because there are few connections with each single process.

Apparently, the world is not a wish-granting factory.

Sometimes you don't have to search out danger, sometimes danger finds you

I think I was like [a game of] skittles, knocked apart by this wooden ball, and there's a strength to that: you're not too self-conscious about what you're doing, so you're not too worried about it.

Even the people who come our way look upon us in amazement, that we run only for the healing of Mother Earth

No pleasure is comparable to the standing upon the vantage-ground of truth.

Fantasy abandoned by reason produces impossible monsters

Bad times, hard times, this is what people keep saying; but let us live well, and times shall be good. We are the times: Such as we are, such are the times.

I always wanted my mother to be Queen for a Day. I always used to watch that show that came on television.

What's interesting about writing is the invention, the creative thing. Writing about myself is a yawn.

I don't know if memoirs can produce literary work of the first order. But I do know that novels are doing it only rarely.