Zen proverb

Man stands in his own shadow and wonders why it’s dark.

Quote from Albert Einstein

"Setting an example is not the main means of influencing another, it is the only means."

Quote from the Buddha

"Every human being is the author of his own health or disease."

Quote from G.I. Gurdjieff

“To work on oneself one must know every screw, every nail of one’s machine—then you will know what to do.”

Quote from Ronald Reagan

"There's no limit to what a man can do or where he can go if he doesn't mind who gets the credit."