Wisdom and penetration are the fruit of experience, not the lessons of retirement and leisure. Great necessities call out great virtues.

We are to seek wisdom and understanding only in the length of days.

In societies where mature workers are respected and where their wisdom is respected, everybody benefits. Workers are more engaged and productive. Their health is better. They live longer.

Wisdom has never made a bigot, but learning has.

Science gives us knowledge, but only philosophy can give us wisdom.

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.