When you counsel someone, you should appear to be reminding him of something he had forgotten, not of the light he was unable to see.

Two kinds of people are good at foreseeing danger: those who have learned at their own expense, and the clever people who learn a great deal at the expense of others.

We live by information, not by sight.

Censure is like the lightning which strikes the highest mountains.

It is profound philosophy to sound the depths of feeling and distinguish traits of character. Men must be studied as deeply as books.

No one demands more caution than a spy, and when someone has the skeleton key to minds, counter him by leaving the key of caution inside, on the other side of the keyhole.

They make the greatest show of what they have done, who have done least.