Supreme happiness will be the greatest cause of misery, and the perfection of wisdom the occassion of folly.

Whoever despises the high wisdom of mathematics nourishes himself on delusion and will never still the sophistic sciences whose only product is an eternal uproar.

Learning acquired in youth arrests the evil of old age; and if you understand that old age has wisdom for its food, you will so conduct yourself in youth that your old age will not lack for nourishment.

Wisdom is the daughter of experience.

The only true wisdom is in knowing you know nothing.

Wisdom begins in wonder.