There must always remain something that is antagonistic to good.

The disposition of noble dogs is to be gentle with people they know and the opposite with those they don't know...How, then, can the dog be anything other than a lover of learning since it defines what's its own and what's alien.

Let men of all ranks whether they are successful, or unsuccessful, whether they triumph or not; let them do their duty, and rest satisfied.

Pepper is small in quantity and great in virtue.

The soul should concentrate itself by itself.

Seven years of silent inquiry are needful for a man to learn the truth, but fourteen in order to learn how to make it known to his fellow-men.

Never discourage anyone who continually makes progress, no matter how slow... even if that someone is yourself!