As long as I can remember, I have suffered because of the great misery I saw in the world. I never really knew the artless, youthful joy of living, a… - Albert Schweitzer

The deeper we look into nature, the more we recognize that it is full of life, and the more profoundly we know that all life is a secret and that we are united with all life that is in nature. Man can no longer live for himself alone. We realize that all life is valuable, and that we are united to all this life. From this knowledge comes our spiritual relationship to the universe.

We do not have a complete and satisfying knowledge of the world. We are reduced to the simple conclusion that everywhere in the world there is life like ourselves and that all life is shrouded in mystery. A true acquaintance with the world consists in being filled with a sense of the mystery of existence and life. This mystery becomes only more mysterious with every advance in scientific research. To be filled with the mystery of life is like that which is called in the language of mysticism the "wise ignorance," an ignorance which is nonetheless knowledge of the essential.

Kesuksesan bukanlah kunci kebahagiaan. Kebahagiaanlah kunci kesuksesan. Jika Anda mencintai apa yang Anda lakukan, Anda akan berhasil.