Every nation whose affairs betray a want of wisdom and stability may calculate on every loss which can be sustained from the more systematic policy of its wiser neighbors.

Teach you children poetry it opens the mind, lends grace to wisdom and makes the heroic virtues hereditary.

Animals, in their generation, are wiser than the sons of men but their wisdom is confined to a few particulars, and lies in a very narrow compass.

One of the greatest pieces of economic wisdom is to know what you do not know.

The enemy of the conventional wisdom is not ideas but the march of events.