Time is the mercy of Eternity without Time's swiftness/ Which is the swiftest of all things: all were eternal torment.

I was walking among the fires of Hell, delighted with the enjoyments of Genius; which to Angels look like torment and insanity.

Fun I love, but too much fun is of all things the most loathsome. Mirth is better than fun, and happiness is better than mirth.

The true method of knowledge is experiment.

Man has no Body distinct from his soul; for that called Body is a portion of a Soul discerned by the five senses, the chief inlets of Soul in this age.