I am never weary of being useful... In serving others I cannot do enough. No labor is sufficient to tire me.

When that which loves is united to the thing beloved it can rest there; when the burden is laid down it finds rest there. There will be eternal fame also for the inhabitants of that town, constructed and enlarged by him.

Anyone who conducts an argument by appealing to authority is not using his intelligence; he is just using his memory.

I have offended God and mankind because my work didn't reach the quality it should have.

Experience is a truer guide than the words of others.

The discovery of a good wine is increasingly better for mankind than the discovery of a new star.

There are three classes of people: those who see, those who see when they are shown, those who do not see.