“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.

Everything that God put in your heart, will come to pass. Write your vision and make it clear for all to see!

Everything that God put in your heart, will come to pass. Write your vision and make it clear for all to see!

Chess makes man wiser and clear-sighted.

Chess makes man wiser and clear-sighted.

The future is clear. It’s going to fall apart. What’s the use in worrying? It’s inevitable.

Do you have the patience to wait until your mud settles and the water is clear?

It is not clear that intelligence has any long-term survival value.

All organizations start with why, but only the great ones keep their why clear year after year.