“Every production of an artist should be the expression of an adventure of his soul.”

“A good conscience is to the soul what health is to the body; it preserves constant ease and serenity within us; and more than countervails all the calamities and afflictions which can befall us from without.”

“The man who has no inner-life is a slave to his surroundings.”

“A man sooner or later discovers that he is the master-gardener of his soul, the director of his life”

“Without work, all life goes rotten. But when work is soulless, life stifles and dies.”

“Anger is one of the sinews of the soul.”