Thought depends absolutely on the stomach, but in spite of that, those who have the best stomachs are not the best thinkers.
A yawn may not be polite, but at least it is an honest opinion.
There is only one morality, as there is only one geometry.
We adore, we invoke, we seek to appease, only that which we fear.
We are astonished at thought, but sensation is equally wonderful.
Constant happiness is the philosopher's stone of the soul.