"There is only one passion, the passion for happiness."
"Happiness often sneaks in through a door you didn't know you left open."Denis Diderot on John Barrymore
"Happiness is not something ready made. It comes from your own actions."Denis Diderot on Dalai Lama
"Most folks are as happy as they make up their minds to be."Denis Diderot on Abraham Lincoln
"I am determined to be cheerful and happy in whatever situation I may find myself. For I have learned that the greater part of our misery or unhappiness is determined not by our circumstance but by our disposition."Denis Diderot on Martha Washington
"Happiness is when what you think, what you say, and what you do are in harmony."Denis Diderot on Mahatma Gandhi
"When superstition is allowed to perform the task of old age in dulling the human temperament, we can say goodbye to all excellence in poetry, in painting, and in music."
"Genius is present in every age, but the men carrying it within them remain benumbed unless extraordinary events occur to heat up and melt the mass so that it flows forth."
"When science, art, literature, and philosophy are simply the manifestation of personality they are on a level where glorious and dazzling achievements are possible, which can make a man's name live for thousands of years."
"The best doctor is the one you run to and can't find."
"There are things I can't force. I must adjust. There are times when the greatest change needed is a change of my viewpoint."