Great men's honor ought always to be measured by the methods they made use of in attaining it.

It is easy to be wise on behalf of others than to be so for ourselves.

Reason alone is insufficient to make us enthusiastic in any matter.

Never give anyone the advice to buy or sell shares, because the most benevolent price of advice can turn out badly.

It is often hard to determine whether a clear, open, and honorable proceeding is the result of goodness or of cunning.

He is not to pass for a man of reason who stumbles upon reason by chance but he who knows it and can judge it and has a true taste for it.

Perfect courage is to do without witnesses what one would be capable of doing with the world looking on.