He who has access to the fountain does not go to the water-pot.

Whoever in debate quotes authority uses not intellect, but memory.

My body will not be a tomb for other creatures.

You will never have a greater or lesser dominion than that over yourself...the height of a man's success is gauged by his self-mastery; the depth of his failure by his self-abandonment. ...And this law is the expression of eternal justice. He who cannot establish dominion over himself will have no dominion over others.

Common Sense is that which judges the things given to it by other senses.

Old age takes in part savoury wisdom for its food - see to that your old age will not lack in nourishment.

Those who fall in love with practice without science are like a sailor who enters a ship without a helm or a compass, and who never can be certain whither he is going.