It must always be remembered, however, that it is the luxuries, and not the necessary expense of the inferior ranks of people, that ought ever to be taxed.

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.

The key to success is to first know thyself. The definition of success by another person must not paralyse you or make you think less of your potential to succeed in your own way.

Lonely’s a different kind of pain, it doesn’t hurt as bad as heartbreak. I preferred it and embraced it ‘cause I reckoned it was one or the other.

He's turned his life around. He used to be depressed and miserable.

Love is timeless and dependable. It's a safe place where I can breathe.

Democracy is the best school to learn soft power.

I don't want to be separate from something that's important to me.

Nothing about becoming indispensable is easy. If it's easy, it's already been done and it's no longer valuable.

Watching children grow up, you learn a lot about life and about being a better person - you learn a lot about what's really important in the world and what isn't.

It's important. One of the principles in the United States is civilian control of the military.

Fracking kills, and it doesn't just kill us. It kills the land, nature and, eventually, the whole world.