"If perchance there should be foolish speakers who, together with those ignorant of all mathematics, will take it upon…"

"We are taught all this [the motion of the earth on its axis and around the sun] by the order of succession, in which …"

"Nor do I doubt that skilled and scholarly mathematicians will agree with me if, what philosophy requires from the beg…"

"Finally we shall place the Sun himself at the center of the Universe. All this is suggested by the systematic process…"

"Neque enim ita mihi mea placent, ut non perpendam, quid alii de illis iudicaturi sint. Et quamvis sciam, hominis phil…"

"When, therefore, I had long considered this uncertainty of traditional mathematics, it began to weary me that no more…"

"If perchance there should be foolish speakers who, together with those ignorant of all mathematics, will take it upon…"

"Those who devised the eccentrics seen thereby in large measure to have solved the problem of apparent motions with ap…"

"What indeed is more beautiful than heaven, which of course contains all things of beauty."

"For when a ship is floating calmly along, the sailors see its motion mirrored in everything outside, while on the oth…"