Moderation is the inseparable companion of wisdom, but with it genius has not even a nodding acquaintance.

All human wisdom is summed up in two words wait and hope.

Wisdom is the abstract of the past, but beauty is the promise of the future.

In complete darkness we are all the same, it is only our knowledge and wisdom that separates us, don't let your eyes deceive you.

To know how to grow old is the master work of wisdom, and one of the most difficult chapters in the great art of living.