David Hume — "The only way to make a man trustworthy is to trust him."

"Heaven and Hell suppose two distinct species of men, the good and the bad; but the greatest part of mankind float betwixt vice and virtue. -- Were one to go round the world with an intention of giving…"

"Generally speaking, the errors in religion are dangerous; those in philosophy only ridiculous."

"It is not reason which is the guide of life, but custom."

"The great end of all speculation is to make our natural sentiments of approbation and blame coincide with those of the wise and judicious."

"The savage tribes of America, Africa, and Asia are all idolaters. Not a single exception to this rule. Insomuch, that, were a traveller to transport himself into any unknown region; if he found inhabi…"