Galileo Galilei — "Wine is sunlight, held together by water."

"My dear Kepler, what would you say of the learned here, who, replete with the pertinacity of the asp, have steadfastly refused to cast a glance through the telescope? What shall we make of this? Shall…"

"I do not think it is necessary to believe that the same God who gave us our senses, our reason, and our intellect, also intended us to forego their use."

"It is not necessary to examine all the arguments against a position, but only the strongest."

"The more I study nature, the more I stand amazed at the work of the Creator."

"The authority of a thousand is not worth the humble reasoning of a single individual who observes the facts."