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

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.

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

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.

It is generally assumed that recurrent miscarriage may be due to progesterone deficiency, hypothyroidism or vitamin E deficiency and should be treated in theses cases with progesterone, thyroid extracts and vitamin E respectively. In theory, thyroid therapy appears to be the least well-founded, especially when applied to women without manifest signs of hypothyroidism, yet among the measures mentioned above it is most frequently claimed to have been successful.

The healthiest of all human emotions is gratitude.

The fairest thing we can experience is the mysterious. It is the fundamental emotion which stands at the cradle of true science. He who knows it not, and can no longer wonder, no longer feel amazement, is as good as dead. We all had this priceless talent when we were young. But as time goes by, many of us lose it. The true scientist never loses the faculty of amazement. It is the essence of his being.