Contradiction is the salt which keeps truth from corruption

The doubt of an earnest, thoughtful, patient and laborious mind is worthy of respect. In such doubt may be found indeed more faith than in half the creeds.

Do definite good; first of all to yourself, then to definite persons.

To learn the worth of a man's religion, do business with him.

What we love to do we find time to do.

Be suspicious of your sincerity when you are the advocate of that upon which your livelihood depends.

If there were nothing else to trouble us, the fate of the flowers would make us sad.