The mind, in short, works on the data it receives very much as the sculptor works on his block of stone.
If any organism fails to fulfill its potentialities, it becomes sick.
Human beings can alter their lives by altering their attitudes of mind.
Man can alter his life by altering his thinking.
Every sort of energy and endurance, of courage and capacity for handling life's evils, is set free in those who have religious faith.
Do something everyday for no other reason than you would rather not do it, so that when the hour of dire need draws nigh, it may find you not unnerved and untrained to stand the test.