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

Even after the greatest defeats, the depressing thought of being a failure is best combated by taking stock of all your past achievements.

Man should not try to avoid stress any more than he would shun food, love or exercise

The healthiest of all human emotions is gratitude.

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

I doubt that Fleming could have obtained a grant for the discovery of penicillin on that basis [a requirement for highly detailed research plans] because he could not have said, 'I propose to have an accident in a culture so that it will be spoiled by a mould falling on it, and I propose to recognize the possibility of extracting an antibiotic from this mould.'

Its not stress that kills us, it is our reaction to it.