Habit is a second nature that destroys the first. But what is nature? Why is habit not natural? I am very much afraid that nature itself is only a first habit, just as habit is a second nature.

Truly it is an evil to be full of faults; but it is a still greater evil to be full of them and to be unwilling to recognize them, since that is to add the further fault of a voluntary illusion.

The last proceeding of reason is to recognize that there is an infinity of things which are beyond it. There is nothing so conformable to reason as this disavowal of reason.

Blaise Pascal Quotes