Love is not as important as good health. You cannot be in love if you're not healthy. You can't appreciate it.
So far as hypotheses are concerned let no one expect anything certain from...
I am aware that a philosopher's ideas are not subject to the judgment of...
To know that we know what we know and to know that we do not know what we do...
So influenced by these advisors and this hope I have at length allowed my...
For it is the duty of an astronomer to compose the history of the celestial...
Not a few other very eminent and scholarly men made the same request urging...
Therefore when I considered this carefully the contempt which I had to fear...
Although all the good arts serve to draw man's mind away from vices and lead...
