The secrets of nature are concealed; her agency is perpetual, but we do not always discover its effects; time reveals them from age to age; and although she is always the same in herself, she is not always equally well known.

When one does not love too much, one does not love enough.

We know the truth not only through our reason but also through our heart. It is through the latter that we know first principles, and reason, which has nothing to do with it, tries in vain to refute them.

To doubt is a misfortune, but to seek when in doubt is an indispensable duty. So he who doubts and seeks not is at once unfortunate and unfair.

What part of us feels pleasure? Is it our hand, our arm, our flesh, or our blood? It must obviously be something immaterial.

Little things console us because little things afflict us.

There are only two kinds of men: the righteous who think they are sinners and the sinners who think they are righteous.