The language of excitement is at best picturesque merely. You must be calm before you can utter oracles. – Henry David Thoreau

The key is to keep company only with people who uplift you, whose presence calls forth your best. – Epictetus

The size of your accomplishments, the quality of your achievement, will depend very largely on how big a man you see in yourself, what sort of image you get of your possible self, yourself at your best. – Orison Swett Marden