Watchfulness is the only guard against cunning. Be intent on his intentions. Many succeed in making others do their own affairs, and unless you possess the key to their motives you may at any moment be forced to take their chestnuts out of the fire to the damage of your own fingers.

To oblige people often costs little and helps much.

Wise men appreciate all men, for they see the good in each and know how hard it is to make anything good.

The worthless usually live long.

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

There is none who cannot teach somebody something, and there is none so excellent but he is excelled.

Know how to use evasion. That is how smart people get out of difficulties.