Science is the study of the admitted laws of existence, which cannot prove a universal negative about whether those laws could ever be suspended by something admittedly above them. It is as if we were to say that a lawyer was so deeply learned in the American Constitution that he knew there could never be a revolution in America.
What is toleration? It is the prerogative of humanity. We are all steeped in weaknesses and errors: Let us forgive one another's follies, it is the first law of nature.
No man has a right to disturb the public peace, by personally resisting the execution of a law however bad. He ought to acquiesce, using at the same time the utmost powers of his reason, to promote its repeal.
It must be remembered that there is no real reason to expect anything in particular from mankind; good and evil are local expedients - or their lack - and not in any sense cosmic truths or laws.
It would be very singular that all nature, all the planets, should obey eternal laws, and that there should be a little animal five feet high, who, in contempt of these laws, could act as he pleased, solely according to his caprice.
When I have a particular case in hand, I have that motive and feel an interest in the case, feel an interest in ferreting out the questions to the bottom, love to dig up the question by the roots and hold it up and dry it before the fires of the mind.
God's law is 'right reason.' When perfectly understood it is called 'wisdom.' When applied by government in regulating human relations it is called 'justice.
The concept of absolute, hence (or whence) springs, in the moral field, the moral laws or norms, represent, in the field of knowledge, the principle of identity, which is the fundamental law of the thought; norms of logic springs from it, that govern the thought (or mind) in the field of science." ("Le concept de l'absolu, d'où découlent, dans le domaine moral, les lois ou normes morales, constitue, le principe d'identité, qui est la loi fondamentale de la pensée; il en découle les normes logiques qui régissent la pensée dans le domaine de la science.")