Play | Topics | Authors | Random

Danh ngôn của Nicolaus Copernicus (Sứ mệnh: 1)

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.
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.
Not a few other very eminent and scholarly men made the same request, urging that I should no longer through fear refuse to give out my work for the common benefit of students of Mathematics.
The earth together with its surrounding waters must in fact have such a shape as its shadow reveals, for it eclipses the moon with the arc of a perfect circle.
Of all things visible, the highest is the heaven of the fixed stars.
In so many and such important ways, then, do the planets bear witness to the earth's mobility.