A fool often fails because he thinks what is difficult is easy.
Never claim as a right what you can ask as a favor.
A wise man thinks what is easy is difficult.
To ask advice is in nine cases out of ten to tout for flattery.
If we escape punishment for our vices, why should we complain if we are not rewarded for our virtues?
Envy and fear are the only passions to which no pleasure is attached.