A great secret of success is to go through life as a man who never gets used up.

— Albert Schweitzer

A man can do only what he can do. But if he does that each day he can sleep at night and do it again the next day.

— Albert Schweitzer

A man does not have to be an angel in order to be a saint.

— Albert Schweitzer

A man does not have to be an angel to be a saint.

— Albert Schweitzer

A man is ethical only when life, as such, is sacred to him, that of plants and animals as that of his fellow men, and when he devotes himself helpfully to all life that is in need of help.

— Albert Schweitzer

Anyone who proposes to do good must not expect people to roll stones out of his way but must accept his lot calmly even if they roll a few more upon it.

— Albert Schweitzer

As we acquire more knowledge things do not become more comprehensible but more mysterious.

— Albert Schweitzer

As we know life in ourselves we want to understand life in the universe in order to enter into harmony with it.

— Albert Schweitzer

At times our own light goes out and is rekindled by a spark from another person. Each of us has cause to think with deep gratitude of those who have lighted the flame within us.

— Albert Schweitzer

By respect for life we become religious in a way that is elementary, profound and alive.

— Albert Schweitzer