The wise man is satisfied with nothing.

Whenever government assumes to deliver us from the trouble of thinking for ourselves, the only consequences it produces are those of torpor and imbecility.

Learning is the ally, not the adversary of genius... he who reads in a proper spirit, can scarcely read too much.

There must be room for the imagination to exercise its powers; we must conceive and apprehend a thousand things which we do not actually witness.

If ever there was a book calculated to make a man in love with its author, this appears to me to be the book.

The first duty of man is to take none of the principles of conduct upon trust; to do nothing without a clear and individual conviction that it is right to be done.

The great model of the affection of love in human beings is the sentiment which subsists between parents and children.