Be a philosopher but, amid all your philosophy be still a man.

To be a philosophical sceptic is, in a man of letters, the first and most essential to being a sound, believing Christian.

To philosopher and historian the madness and imbecile wickedness of mankind ought to appear ordinary events.

A propensity to hope and joy is real riches; one to fear and sorrow real poverty.

The sceptics assert, though absurdly, that the origin of all religious worship was derived from the utility of inanimate objects,as the sun and moon, to the support and well-being of mankind.

All knowledge resolves itself into probability. ... In every judgment, which we can form concerning probability, as well as concerning knowledge, we ought always to correct the first judgment deriv'd from the nature of the object, by another judgment, deriv'd from the nature of the understanding.

Nothing is demonstrable, unless the contrary implies a contradiction. Nothing, that is distinctly conceivable, implies a contradiction. Whatever we conceive as existent, we can also conceive as non-existent. There is no being, therefore, whose non-existence implies a contradiction. Consequently there is no being, whose existence is demonstrable.