Nothing exists except atoms and empty space; everything else is opinion.
Life unexamined, is not worth living.
Sweet exists by convention, bitter by convention, color by convention; but in reality atoms and the void alone exist
It is better to destroy one's own errors than those of others.
The wrongdoer is more unfortunate than the man wronged.
The person who can laugh with life has developed deep roots with confidence and faith-faith in oneself, in people and in the world, as contrasted to negative ideas with distrust and discouragement.