The healthiest of all human emotions is gratitude.

To make a great dream come true, you must first have a great dream.

Mental tensions, frustrations, insecurity, aimlessness are among the most damaging stressors, and psychosomatic studies have shown how often they cause migraine headache, peptic ulcers, heart attacks, hypertension, mental disease, suicide, or just hopeless unhappiness.

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.

As much as we thirst for approval we dread condemnation.

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