Fullness is always quiet; agitation will answer for empty vessels only.

To be ignorant of one's ignorance is the malady of the ignorant.

Observation more than books and experience more than persons, are the prime educators.

Travel makes all men countrymen, makes people noblemen and kings, every man tasting of liberty and dominion.

A true teacher defends his students against his own personal influences.

Prudence is the footprint of Wisdom.

Good-humor, gay spirits, are the liberators, the sure cure for spleen and melancholy. Deeper than tears, these irradiate the tophets with their glad heavens. Go laugh, vent the pits, transmuting imps into angels by the alchemy of smiles. The satans flee at the sight of these redeemers.