To be totally without stress is to be dead.

To remain healthy a man must have some goal, some purpose in life that he can respect and be proud to work for.

The true scientist never loses the faculty of amazement.

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

The healthiest of all human emotions is gratitude.

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.

As much as we thirst for approval we dread condemnation.