Unlock your natural drives by doing what you enjoy.

The healthiest of all human emotions is gratitude.

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

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

Stress is not necessarily something bad it all depends on how you take it. The stress of exhilarating, creative successful work is beneficial, while that of failure, humiliation or infection is detrimental.

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.

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