Secrets in manufactures are capable of being longer kept than secrets in trade.

No society can surely be flourishing and happy, of which the far greater part of the members are poor and miserable.

It is not from the benevolence of the butcher, the brewer, or the baker that we expect our dinner, but from their regard to their own interest.

The first thing you have to know is yourself. A man who knows himself can step outside himself and watch his own reactions like an observer.

Mercy to the guilty is cruelty to the innocent.

The real price of everything, what everything really costs to the man who wants to acquire it, is the toil and trouble of acquiring it.

What can be added to the happiness of the man who is in health, who is out of debt, and has a clear conscience?

A nation is not made wealthy by the childish accumulation of shiny metals, but it enriched by the economic prosperity of it's people.

Man is an animal that makes bargains: no other animal does this - no dog exchanges bones with another.

On the road from the City of Skepticism, I had to pass through the Valley of Ambiguity.

People of the same trade seldom meet together, even for merriment and diversion, but the conversation ends in a conspiracy against the public, or in some contrivance to raise prices.

If the U.S. succeeds in destroying the revolution, my status will be like that of most Cubans: I'll be up a creek without a paddle. It will be devastating for people worldwide who believe in justice.

It is failure that guides evolution; perfection provides no incentive for improvement, and nothing is perfect.

Christianity is a strangely cheery religion.

We are creatures of story, and the process of changing one mind or the whole world must begin with 'Once upon a time.'

Sunshine always inspires me.

Poetry is a deliberate attempt to make language suggestive and imprecise.

Language was not given to man: he seized it.

Violence is the instinctive response to fear.

When we started making electronic music I imagined that the reaction we got from the rock musicians must have been similar to the one the beat groups got from people like my dad.

I charge thee, hence, and do not haunt me thus.