If there is no struggle there is no progress.

If there is no struggle there is no progress.

The rung of a ladder was never meant to rest upon, but only to hold a man's foot long enough read more

The rung of a ladder was never meant to rest upon, but only to hold a man's foot long enough to enable him to put the other somewhat higher. - Life and Letters of Thomas Huxley.

Peace is a natural effect of trade.

Peace is a natural effect of trade.

The meaning of life is that it stops.

The meaning of life is that it stops.

He might have proved a useful adjunct, if not an ornament to
society.

He might have proved a useful adjunct, if not an ornament to
society.

One great society alone on earth: the noble living and the noble dead.

One great society alone on earth: the noble living and the noble dead.

The common idea that success spoils people by making them vain, egotistic, and self-complacent is erroneous; on the contrary it read more

The common idea that success spoils people by making them vain, egotistic, and self-complacent is erroneous; on the contrary it makes them, for the most part, humble, tolerant, and kind. Failure makes people bitter and cruel.

Humiliating to human pride as it may be, we must recognize that the advance and even the preservation of civilization read more

Humiliating to human pride as it may be, we must recognize that the advance and even the preservation of civilization are dependent upon a maximum of opportunity for accidents to happen.

Under normal conditions the research scientist is not an innovator but a solver of puzzles, and the puzzles upon which read more

Under normal conditions the research scientist is not an innovator but a solver of puzzles, and the puzzles upon which he concentrates are just those which he believes can be both stated and solved within the existing scientific tradition.