All is one, all is different. How many natures exist in man? How many vocations? And by what chance does each man ordinarily choose what he has heard praised?

We only consult the ear because the heart is wanting.

Vanity is but the surface.

The end point of rationality is to demonstrate the limits of rationality.

[Unbelievers] think they have made great efforts to get at the truth when they have spent a few hours in reading some book out of Holy Scripture, and have questioned some cleric about the truths of the faith. After that, they boast that they have searched in books and among men in vain.

Love has no age as it is always renewing itself.

By a peculiar prerogative, not only each individual is making daily advances in the sciences, and may make advances in morality (which is the science, by way of eminence, of living well and being happy), but all mankind together is making a continual progress in proportion as the universe grows older. So that the whole human race, during the course of so many ages, may be considered as one man who never ceases to live and learn.