What is called happiness is an abstract idea, composed of various ideas of pleasure; for he who has but a moment of pleasure is not a happy man, in like manner that a moment of grief constitutes not a miserable one.
We cannot always oblige; but we can always speak obligingly.
To make a vow for life is to make oneself a slave.
Persistence with patience and prayer pays with profits, prosperity and peace of mind.
To hold a pen is to be at war.
The art of medicine consists in amusing the patient while nature cures the disease.