The intense happiness of our union is derived in a high degree from the perfect freedom with which we each follow and declare our own impressions.

Adventure is not outside man; it is within.

Our vanities differ as our noses do: all conceit is not the same conceit, but varies in correspondence with the minutiae of mental make in which one of us differs from another.

The pride of the body is a barrier against the gifts that purify the soul.

I've always felt that your belongings have never been on a level with you.

The egoism which enters into our theories does not affect their sincerity; rather, the more our egoism is satisfied, the more robust is our belief.

The years seem to rush by now, and I think of death as a fast approaching end of a journey-double and treble reason for loving as well as working while it is day.