I do not feel obliged to believe that the same God who has endowed us with sense, reason, and intellect has intended us to forgo their use. Read Summary
The sun, with all those planets revolving around it and dependent on it, can still ripen a bunch of grapes as if it had nothing else in the universe to do. Read Summary
If I were again beginning my studies, I would follow the advice of Plato and start with mathematics. Read Summary
Nature is relentless and unchangeable, and it is indifferent as to whether its hidden reasons and actions are understandable to man or not. Read Summary
I give infinite thanks to God, who has been pleased to make me the first observer of marvelous things. Read Summary
I think that in the discussion of natural problems we ought to begin not with the Scriptures, but with experiments, and demonstrations. Read Summary
All truths are easy to understand once they are discovered; the point is to discover them. Read Summary
The Bible shows the way to go to heaven, not the way the heavens go. Read Summary
Measure what is measurable, and make measurable what is not so. Read Summary
In questions of science, the authority of a thousand is not worth the humble reasoning of a single individual. Read Summary
Who would set a limit to the mind of man? Who would dare assert that we know all there is to be known? Read Summary
The Milky Way is nothing else but a mass of innumerable stars planted together in clusters. Read Summary
It is surely harmful to souls to make it a heresy to believe what is proved. Read Summary
We must say that there are as many squares as there are numbers. Read Summary
By denying scientific principles, one may maintain any paradox. Read Summary
We cannot teach people anything; we can only help them discover it within themselves. Read Summary
I have never met a man so ignorant that I couldn't learn something from him. Read Summary
And yet it moves. Read Summary
Where the senses fail us, reason must step in. Read Summary
Philosophy is written in this grand book, the universe, which stands continually open to our gaze. But the book cannot be understood unless one first learns to comprehend the language and read the letters in which it is composed. Read Summary