A terrible thing is intelligence. It tends to death as memory tends to stability.
An idea does not pass from one language to another without change.
Consciousness is a disease.
Faith which does not doubt is dead faith.
Isolation is the worst possible counselor.
It is sad not to be loved, but it is much sadder not to be able to love.
None are so likely to believe too little as those who have begun by believing too much.
Reason, that which we call reason, reflex and reflective knowledge, the distinguishing mark of man, is a social product.
Religion rests upon morality, and not morality upon religion.
Science is a cemetery of dead ideas, even though life may issue from them.
Some people will believe anything if you whisper it to them.
The devil is an angel too.
The intellectual world is divided into two classes- dilettantes, on the one hand, and pedants, on the other.
There is no tyranny in the world more hateful than that of ideas.
To fall into a habit is to begin to cease to be.
We should try to be the parents of our future rather than the offspring of our past.
What we believe to be the motives of our conduct are usually but the pretexts for it.
Found 17 occurence(s) in 51,815 quotation(s).