Nations are not ruined by one act of violence, but gradually and in an almost imperceptible manner by the depreciation of their circulating currency, through its excessive quantity.

To know that we know what we know, and to know that we do not know what we do not know, that is true knowledge.

Every light has its shadow, and every shadow hath a succeeding morning.

Of all things visible, the highest is the heaven of the fixed stars.

For I am not so enamoured of my own opinions that I disregard what others may think of them.

The Universe, wrought for us by a supremely good and orderly Creator.

Finally we shall place the Sun himself at the center of the Universe.

Those things which I am saying now may be obscure, yet they will be made clearer in their proper place.

The massive bulk of the earth does indeed shrink to insignificance in comparison with the size of the heavens.

Mathematics is written for mathematicians.

I am aware that a philosopher's ideas are not subject to the judgment of ordinary persons, because it is his endeavour to seek the truth in all things, to the extent permitted to human reason by God.

When the missionaries came to Africa they had the Bible and we had the land. They said 'Let us pray.' We closed our eyes. When we opened them we had the Bible and they had the land.

The pursuit of the difficult makes men strong

Old people don't need companionship. They need to be isolated and studied so it can be determined what nutrients they have that might be extracted for our personal use.

Who does it hurt? That's who the story is about.

You think you're being broken but you're really being broken open...and that's where the healing happens, in those broken places...if you'll allow it.

The settled will of the Scottish people.

On the contrary, my desire is that the viewer sees the background coming forward in the lower portion of the canvas, fighting for space, demanding presence.

There are weapons that are simply thoughts. For the record, prejudices can kill and suspicion can destroy.

Revitalizing General Motors is like teaching an elephant to tap dance. You find the sensitive spot and start poking.

I laugh at people who say things like 'I'm a good person, I just do bad things.' No, that's not how it works. What you do IS who you are.