“How selfish soever man may be supposed, there are evidently some principles in his nature, which interest him in the fortune of others, and render their happiness necessary to him, though he derives nothing from it, except the pleasure of seeing it.”

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

There is no art which government sooner learns of another than that of draining money from the pockets of the people.

The disposition to admire, and almost to worship, the rich and the powerful, and to despise, or, at least, to neglect persons of poor and mean condition is the great and most universal cause of the corruption of our moral sentiments.

It is the highest impertinence and presumption, therefore, in kings and ministers to pretend to watch over the economy of private people, and to restrain their expense. They are themselves, always, and without any exception, the greatest spendthrifts in the society.

An instructed and intelligent people are always more decent and orderly than an ignorant and stupid one.

Nobody but a beggar chooses to depend chiefly upon the benevolence of his fellow-citizens.

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.

Beneficence is always free, it cannot be extorted by force.

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

It is not by augmenting the capital of the country, but by rendering a greater part of that capital active and productive than would otherwise be so, that the most judicious operations of banking can increase the industry of the country.

All money is a matter of belief.

Mercy to the guilty is cruelty to the innocent.

We are but one of the multitude, in no respect better than any other in it.

Defense is superior to opulence.

Happiness never lays its finger on its pulse.

Faith is believing what we cannot prove.

Things seen are mightier than things heard.

These disturbing phenomena [Extra Sensory Perception] seem to deny all our scientific ideas. How we should like to discredit them! Unfortunately the statistical evidence, at least for telepathy, is overwhelming.

It seems to be, that there are dual reasons why justice is rarely given. One, too little evidence. Two, too much.

Chemistry is necessarily an experimental science: its conclusions are drawn from data, and its principles supported by evidence from facts.

I’m very intelligent. I’m capable of doing everything put to me. I’ve launched a perfume and want my own hotel chain. I’m living proof blondes are not stupid.

The things of which we want the proof are those we know the best.

Do not consider it proof just because it is written in books, for a liar who will deceive with his tongue will not hesitate to do the same with his pen.