The authority of reason is far more imperious than that of a master; for he who disobeys the one is unhappy, but he who disobeys the other is a fool.
There are vices which have no hold upon us, but in connection with others; and which, when you cut down the trunk, fall like the branches.
Two similar faces, neither of which alone causes laughter, use laughter when they are together, by their resemblance.
Look somewhere else for someone who can follow you in your researches about numbers. For my part, I confess that they are far beyond me, and I am competent only to admire them.
Piety is different from superstition. To carry piety to the extent of superstition is to destroy it. The heretics reproach us with this superstitious submission. It is doing what they reproach us with.
Men often take their imagination for their heart; and they believe they are converted as soon as they think of being converted.
If we dreamed the same thing every night, it would affect us much as the objects we see every day. And if a common workman were sure to dream every night for twelve hours that he was a king, I believe he would be almost as happy as a king who should dream every night for twelve hours on end that he was a common workman.
You see, if the height of the mercury [barometer] column is less on the top of a mountain than at the foot of it (as I have many reasons for believing, although everyone who has so far written about it is of the contrary opinion), it follows that the weight of the air must be the sole cause of the phenomenon, and not that abhorrence of a vacuum, since it is obvious that at the foot of the mountain there is more air to have weight than at the summit, and we cannot possibly say that the air at the foot of the mountain has a greater aversion to empty space than at the top.
Let a man choose what condition he will, and let him accumulate around him all the goods and gratifications seemingly calculated to make him happy in it; if that man is left at any time without occupation or amusement, and reflects on what he is, the meagre, languid felicity of his present lot will not bear him up. He will turn necessarily to gloomy anticipations of the future; and unless his occupation calls him out of himself, he is inevitably wretched.
It is not possible to have reasonable grounds for not believing in miracles.
Eloquence is a painting of thought; and thus those who, after having painted it, add something more, make a picture instead of a portrait.
It is superstitious to put one's hopes in formalities, but arrogant to refuse to submit to them.
When a man who accepts the Christian doctrine lives unworthily of it, it is much clearer to say he is a bad Christian than to say he is not a Christian.
Equality of possessions is no doubt right, but, as men could not make might obey right, they have made right obey might.
Our true dignity consists — in thought. Thence we must derive our elevation, not from space or duration. Let us endeavor then to think well; this is the principle of morals.
You gave me health that I might serve you; and so often I failed to use my good health in your service. Now you send me sickness in order to correct me Grant that, having ignored the things of spirit when my body was vigorous, I may now enjoy spiritual sweetness while my body groans with pain.
Let us now speak according to natural lights. If there is a God, He is infinitely incomprehensible. . . . We are then incapable of knowing of either what He is or if He is. . . .
No one is ignorant that there are two avenues by which opinions are received into the soul, which are its two principal powers: the understanding and the will.
What matters it that man should have a little more knowledge of the universe? If he has it, he gets little higher. Is he not always infinitely removed from the end, and is not the duration of our life equally removed from eternity, even if it lasts ten years longer?
We must make good people wish that the Christian faith were true, and then show that it is.
Which is the more believable of the two, Moses or China?
I condemn equally those who choose to praise man, those who choose to condemn him and those who choose to divert themselves, and I can only approve of those who seek with groans.
Things have different qualities, and the soul different inclinations; for nothing is simple which is presented to the soul, and the soul never presents itself simply to any object. Hence it comes that we weep and laugh at the same thing.
I am in the utmost perplexity, yand have wished a hundred times, that if there is a A God, nature would manifest him without ambiguity, and that if there is not, every imaginary sign of his existence might vanish : in short, let nature speak distinctly, or be totally silent, and I shall know what course to take.
Seeing too much to deny and too little to be sure, I am in a state to be pitied.
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