Man has been endowed with reason, with the power to create, so that he can add to what he's been given.

Never bring a cannon on stage in Act I unless you intend to fire it by the last act.

A tree is beautiful, but what's more, it has a right to life; like water, the sun and the stars, it is essential. Life on earth is inconceivable without trees. Forests create climate, climate influences peoples' character, and so on and so forth. There can be neither civilization nor happiness if forests crash down under the axe, if the climate is harsh and severe, if people are also harsh and severe. ... What a terrible future!

Not one of our mortal gauges is suitable for evaluating non-existence, for making judgments about that which is not a person.

It's even pleasant to be sick when you know that there are people who await your recovery as they might await a holiday.

One can prove or refute anything at all with words. Soon people will perfect language technology to such an extent that they'll be proving with mathematical precision that twice two is seven.

It's easier to ask for money from the poor than from the wealthy.