Stress, in addition to being itself, was also the cause of itself, and the result of itself.

Gratitude conserves the vital energies of a person more than any other attitude tested.

My advice to any young person at the beginning of their career is to try to look for the mere outlines of big things with their fresh, untrained and unprejudiced mind.

Almost no germ is unconditionally dangerous to man; its disease-producing ability depends upon the body's resistance.

Indeed, not all attacks-especially the bitter and ridiculing kind leveled at Darwin-are offered in good faith, but for practical purposes it is good policy to assume that they are.

If you want to live a long life, focus on making contributions .

Every stress leaves an indelible scar, and the organism pays for its survival after a stressful situation by becoming a little older.