Felicity is a continual progress of the desire, from one object to another; the attaining of the former being still but the way to the latter.

Therefore of necessity they must at first believe that Felicity is a glorious though an unknown thing. And certainly it was the infinite wisdom of God that did implant by instinct so strong a desire of Felicity in the Soul, that we might be excited to labour after it, though we know it not, the very force wherewith we covet it supplying the place of understanding. That there is a Felicity, we all know by the desires after, that there is a most glorious Felicity we know by the strength and vehemence of those desires.

How exquisitely human was the wish for permanent happiness, and how thin human imagination became trying to achieve it.

The condition of man... is a condition of war of everyone against everyone.

What you think of others is what you know about yourself

Desire to know why, and how - curiosity, which is a lust of the mind, that a perseverance of delight in the continued and indefatigable generation of knowledge - exceedeth the short vehemence of any carnal pleasure.