Science is simply common sense at its best--that is, rigidly accurate in observation, and merciless to fallacy in logic.

Science is simply common sense at its best--that is, rigidly accurate in observation, and merciless to fallacy in logic.

Treat your password like your toothbrush. Don't let anybody else use it, and get a new one every six months.

Treat your password like your toothbrush. Don't let anybody else use it, and get a new one every six months.

Always the more beautiful answer who asks the more beautiful question.

Always the more beautiful answer who asks the more beautiful question.

We've arranged a civilization in which most crucial elements profoundly depend on science and technology.

We've arranged a civilization in which most crucial elements profoundly depend on science and technology.

Truth comes to us from the past, then, like gold washed down from the mountains.

Truth comes to us from the past, then, like gold washed down from the mountains.

For NASA, space is still a high priority.

For NASA, space is still a high priority.

An error is the more dangerous the more truth it contains.

An error is the more dangerous the more truth it contains.

As crude a weapon as a cave man's club, the chemical barrage has been hurled against the fabric of life.

As crude a weapon as a cave man's club, the chemical barrage has been hurled against the fabric of life.

It is useless to send armies against ideas.

It is useless to send armies against ideas.