Desire nothing for yourself, which you do not desire for others.

A good thing which prevents us from enjoying a greater good is in truth an evil.

In proportion as we endeavor to live according to the guidance of reason, shall we strive as much as possible to depend less on hope, to liberate ourselves from fear, to rule fortune, and to direct our actions by the sure counsels of reason.

We are so constituted by Nature that we easily believe the things we hope for, but believe only with difficulty those we fear, and that we regard such things more or less highly than is just. This is the source of the superstitions by which men everywhere are troubled. For the rest, I don

We strive to further the occurrence of whatever we imagine will lead to Joy, and to avert or destroy what we imagine is contrary to it, or will lead to Sadness.

We can always get along better by reason and love of truth than by worry of conscience and remorse...we should strive to keep worry from our life.

Whatever increases, decreases, limits or extends the body's power of action, increases decreases, limits, or extends the mind's power of action. And whatever increases, decreases, limits, or extends the mind's power of action, also increases, decreases, limits, or extends the body's power of action.