Dr. Carl Sagan

Never utter these words: 'I do not know this, therefore it is false.' One must study to know; know to read more

Never utter these words: 'I do not know this, therefore it is false.' One must study to know; know to understand; understand to judge.

Science is a way of thinking much more than it is a body of knowledge.

Science is a way of thinking much more than it is a body of knowledge.

Knowing a great deal is not the same as being smart; intelligence is not information alone but also judgment, the read more

Knowing a great deal is not the same as being smart; intelligence is not information alone but also judgment, the manner in which information is collected and used

There are many hypotheses in science which are wrong. That's perfectly all right; they're the aperture to finding out what's read more

There are many hypotheses in science which are wrong. That's perfectly all right; they're the aperture to finding out what's right. Science is a self-correcting process. To be accepted, new ideas must survive the most rigorous standards of evidence and scrutiny.

The Universe forces those who live in it to understand it. Those creatures who find everyday experience a muddled jumble read more

The Universe forces those who live in it to understand it. Those creatures who find everyday experience a muddled jumble of events with no predictability, no regularity, are in grave peril. The Universe belongs to those who, at least to some degree,