You can make even a parrot into a learned political economist - all he must learn are the two words "supply" and "demand."

Let him who would move and convince others, be first moved and convinced himself.

What is all Knowledge too but recorded Experience, and a product of History; of which, therefore, Reasoning and Belief, no less than Action and Passion, are essential materials?

Wondrous is the strength of cheerfulness, and its power of endurance - the cheerful man will do more in the same time, will do it; better, will preserve it longer, than the sad or sullen.

There is in man a higher than love of happiness; he can do without happiness, and instead thereof find blessedness.

Wondrous is the strength of cheerfulness, altogether past calculation its powers of endurance.

The only happiness a brave person ever troubles themselves in asking about, is happiness enough to get their work done.