History! Read it and weep!

How embarrassing to be human.

... humanity deserved to die horribly, since it had behaved so cruelly and wastefully on a planet so sweet.

Ideas on Earth were badges of friendship or enmity. Their content did not matter. Friends agreed with friends, in order to express friendliness. Enemies disagreed with enemies, in order to express enmity.

We are healthy only to the extent that our ideas are humane.

was a lot I had never heard of before.

All of us were stuck to the surface of a ball incidentally. The planet was ball-shaped. Nobody knew why we didn't fall off, even though everybody pretended to kind of understand it.

... most of the world's ills can be traced to the fact that Man's knowledge of himself has not kept pace with his knowledge of the physical world.

... life, by definition, is never still.

Love is where you find it.