"As sight is in the body, so is reason in the soul."
"Reason is, and always must be, the slave of the passions."
"Si vis tibi omnia subjudicere, subjicere te rationi. (If
you would subject all things to yourself, subject yourself to
"Homo sapiens, the only creature endowed with
reason, is also the only creature to pin its existence on things
Bergson, Two Sources of Morality and Religion)
"He who will not reason is a bigot; he who cannot is a
fool; and he who dares not is a slave."
Drummond, Academical Questions)
"Let us not dream that reason can ever be popular.
Passions, emotions, may be made popular, but reason remains ever the
property of the few."
Wolfgang von Goethe)
"Time makes more converts than reason."
Paine, Common Sense)
"True virtue is life under the direction of reason."
"Men who are governed by reason ... desire for
themselves nothing which they do not also desire for the rest of
"Men is a reasonable animal who always loses his
temper when he is called upon to act in accordance with the dictates
"We are generally the better persuaded by the reasons
we discover ourselves than by those given to us by others."
"The first of nature's gifts is this force of reason
which raises you above your own passions and your weaknesses and puts
you in control of your capacities, your talents, and your virtues."
"Religion is a disease, but it is a noble disease."
"Superstition is rooted in a much deeper and more sensitive layer of
the psyche than skepticism."
"Among medieval and modern philosophers anxious to establish the
religious significance of God, an unfortunate habit has prevailed of
paying him metaphysical compliments."
"If some small mistake were made in doctrine, huge blunders might be
made in human happiness."
"The various modes of worship which prevailed in the Roman world were
all considered by the people as equally true; by the philosopher as
equally false; and by the magistrate as equally useful."
"A man who should act, for one day, on the supposition that all the
people about him were influenced by the religion which they professed
would find himself ruined by night."
"We have just enough religion to make us hate, but not enough to make
us love on another."
"Most men's anger about religion is as if two men should quarrel for
a lady they neither of them care for."
"There is not even enough religion in the world to destroy the
"Defoe says that there were a hundred thousand country fellows in his
time ready to fight to the death against popery, without knowing whether
popery was a man or a horse."
"Fanaticism in religion is the alliance of the passions she condemns
with the dogmas she professes."
"So long as there are earnest believers in the world, they will
always wish to punish opinions, even if their judgment tells them it is
unwise, and their conscience that it is wrong."
"Where it is a duty to worship the sun it is pretty sure to be a
crime to examine the laws of heat."
"Every sect is a moral check on its neighbor. Competition is as
wholesome in religion as in commerce."
"There is not the least use preaching to anyone unless you chance to
catch them ill."
"God will provide - ah, if only He would till he does so!"
"Men never do evil so completely and cheerfully as when they do it
from religious conviction."
"Most people have some sort of religion - at least they know what
church they're staying away from."
"The writers against religion, whilst they oppose every system, are
wisely careful never to set up any of their own."