“Holy Scripture could never lie or err…its decrees are of absolute and inviolable truth.”

Mathematics is the key and door to the sciences.

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.

Nature does not act by means of many things when it can do so by means of a few.

It is a beautiful and delightful sight to behold the body of the Moon.

The deeper I go in considering the vanities of popular reasoning, the lighter and more foolish I find them.

Passion is the genesis of genius.

Earth, turning upon itself, moves round the Sun.

I do not feel obliged to believe that the same God who has endowed us with senses, reason, and intellect has intended us to forego their use.

You cannot teach a man anything, you can only help him find it within himself.

All truths are easy to understand once they are discovered; the point is to discover them.

Two truths cannot contradict one another.

I am certainly interested in a tribunal in which, for having used my reason, I was deemed little less than a heretic.

In time you may discover everything that can be discovered, and still your progress will only be progress away from humanity.

That sculpture is more admirable than painting for the reason that it contains relief and painting does not is completely false.

See now the power of truth; the same experiment which at first glance seemed to show one thing, when more carefully examined, assures us of the contrary.

The Divine intellect indeed knows infinitely more propositions.

No man should judge unless he asks himself in absolute honesty whether in a similar situation he might not have done the same.

I don’t think we have any alternative other than remaining optimistic. Optimism is an absolute necessity, even if it’s only optimism of the will, as Gramsci said, and pessimism of the intellect.

Freedom is absolutely necessary for the progress in science and the liberal arts.

Train your mind from lack and limitations to absolute possibilities.  

Push your limit to the absolute extreme.

Chefs are nutters. They’re all self-obsessed, delicate, dainty, insecure little souls and absolute psychopaths. Every last one of them.

Freedom is the intrinsic desire of each man, each woman – utter freedom, absolute freedom.

I have, indeed, no abhorrence of danger, except in its absolute effect – in terror.