Scientific progress consists in the development of new concepts.

Scientific progress consists in the development of new concepts.

...in the shaping of a life, chance and the ability to respond to chance are everything.

...in the shaping of a life, chance and the ability to respond to chance are everything.

Curiosity killed the cat, but for awhile I was a suspect.

Curiosity killed the cat, but for awhile I was a suspect.

The affairs of life embrace a multitude of interests, and he who reasons in any one of them, without consulting read more

The affairs of life embrace a multitude of interests, and he who reasons in any one of them, without consulting the rest, is a visionary unsuited to control the business of the world.

When Adam delved and Eve span, who was then the gentleman?

When Adam delved and Eve span, who was then the gentleman?

Without a struggle, there can be no progress.

Without a struggle, there can be no progress.

Both optimists and pessimists contribute to our society. The optimist invents the airplane and the pessimist the parachute.

Both optimists and pessimists contribute to our society. The optimist invents the airplane and the pessimist the parachute.

Barbarian invasions would be superfluous: we are our own Huns.

Barbarian invasions would be superfluous: we are our own Huns.

For every social wrong there must be a remedy. But the remedy
can be nothing less than the abolition read more

For every social wrong there must be a remedy. But the remedy
can be nothing less than the abolition of the wrong.