George Berkeley

He who says there is no such thing as an honest man, you may be sure is himself a knave.

If we admit a thing so extraordinary as the creation of this world, it should seem that we admit something strange, and odd, and new to human apprehension, beyond any other miracle whatsoever.

Others indeed may talk, and write, and fight about liberty, and make an outward pretence to it; but the free-thinker alone is truly free.

We must move away from our dependency on fossil fuels, and I am glad that GM has invested over $1 billion in hydrogen fuel cells cars to meet this goal.

We define ourselves as intelligent. That's odd, because we're doing the definition - We're creating our own definition and saying, 'We are intelligent!'

If every time you engage in a sex act, you go into a confession box, you will never accept your own sexuality.