The poor don’t fail to save because they don’t want to—they can’t.

To be a philosopher is not merely to have subtle thoughts, nor even to found a school, but so to love wisdom as to live according to its dictates.

Engineering culture is about pursuing perfection, but also accepting imperfection.

The world is like a chessboard， whereon we may see a living knight， but we cannot see a living chess.

The only thing that makes life possible is permanent, intolerable uncertainty; not knowing what comes next.

When something is important enough， you do it even if the odds are not in your favor.

Man is much more than he thinks.