Nothing can contribute more to peace of soul than the lack of any opinion whatever.

The construction of the universe is certainly very much easier to explain than is that of the plant.

I made the journey to knowledge like dogs who go for walks with their masters, a hundred times forward and backward over the same territory; and when I arrived I was tired.

The noble simplicity in the works of nature only too often originates in the noble shortsightedness of him who observes it.

I forget most of what I read, just as I do most of what I have eaten, but I know that both contribute no less to the conservation of my mind and my body on that account.

We accumulate our opinions at an age when our understanding is at its weakest.

Nowadays beautiful women are counted among the talents of their husbands.