Meantime, the world in which we exist has other aims. But it will pass away, burnt up in the fire of its own hot passions; and from its ashes will spring a new and younger world, full of fresh hope, woth the light of morning in its eyes.

Patriotism which has the quality of intoxication is a danger not only to its native land but to the world, and "My country never wrong" is an even more dangerous maxim than "My country, right or wrong."

The desire to understand the world and the desire to reform it are the two great engines of progress, without which human society would stand still or retrogress.

Obviousness is always the enemy of correctness.

For a good notation has a subtlety and suggestiveness which at times make it seem almost like a live teacher.

More and more people are becoming unable to accept traditional [religious] beliefs. If they think that, apart from these beliefs, there is no reason for kindly behaviour, the results may be needlessly unfortunate. That is why it is important to show that no supernatural reasons are needed to make [people] kind and to prove that only through kindness can the human race achieve happiness.

Escape from boredom is one of the really powerful desires of almost all human beings.