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

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

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.

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

The earth together with its surrounding waters must in fact have such a shape as its shadow reveals, for its eclipses the moon with the arc of a perfect circle.

For it is the duty of an astronomer to compose the history of the celestial motions through careful and expert study.

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

I often considered whether there could perhaps be found a more reasonable arrangement of circles.

In the midst of all dwells the Sun. For who could set this luminary in another or better place in this most glorious temple, than whence he can at one and the same time brighten the whole

Near the sun is the center of the universe.

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

At rest, however, in the middle of everything is the sun.

What Youth deemed crystal, Age finds out was dew.

To have his path made clear for him is the aspiration of every human being in our beclouded and tempestuous existence.

When Fate wills that something should come to pass, she sends forth a million of little circumstances to clear and prepare the way.

Art has nothing to do with clarity, does not dabble in the clear and does not make clear

All things will be clear and distinct to the man who does not hurry; haste is blind and improvident.

In darkness God’s truth shines most clear.

When you know what are you are doing and have a clear vision of where you are going, you will not need to chase opportunities. Opportunities will seek you. Happiness will chase you. And, instead of being a choice, you will be the one choosing.

The Russians and the Chinese have been absolutely clear they don’t want to see Iran with a nuclear weapon.