All our dignity lies in our thoughts.

There would be too great darkness, if truth had not visible signs.

To go beyond the bounds of moderation is to outrage humanity. The greatness of the human soul is shown by knowing how to keep within proper bounds. There are two equally dangerous extremes- to shut reason out, and not to let nothing in.

That a religion may be true, it must have knowledge of our nature.

What matters it that man should have a little more knowledge of the universe? If he has it, he gets little higher. Is he not always infinitely removed from the end, and is not the duration of our life equally removed from eternity, even if it lasts ten years longer?

How shall one who is so weak in his childhood become really strong when he grows older? We only change our fancies.

All great amusements are dangerous to the Christian life; but among all those which the world has invented there is none more to be feared than the theater. It is a representation of the passions so natural and so delicate that it excites them and gives birth to them in our hearts, and, above all, to that of love.