One must train oneself, by small and frequent efforts, to dominate one's feelings.

Like hatred, jealousy is forbidden by the laws of life because it is essentially destructive.

Comforts and syphilis are the greatest enemies of mankind.

Everyone makes a greater effort to hurt other people than to help himself.

Those who desire to rise as high as our human condition allows, must renounce intellectual pride, the omnipotence of clear thinking, belief in the absolute power of logic.

A few observation and much reasoning lead to error; many observations and a little reasoning to truth.

Intuition comes very close to clairvoyance; it appears to be the extrasensory perception of reality.