The ignorant man is an ox. He grows in size, not in wisdom.

The highest wisdom has but one science - the science of the whole - the science explaining the whole creation and man's place in it.

Even if a snake is not poisonous, it should pretend to be venomous.

It is only by prudence, wisdom, and dexterity, that great ends are attained and obstacles overcome. Without these qualities nothing succeeds.

Six hours sleep for a man, seven for a woman and eight for a fool.

The beginning of wisdom is a definition of terms.