science

"You cannot reason people out of a position that they did not reason themselves into."

"Everything can't be explained by some general biological phrase."

"A man who dares to waste one hour of time has not discovered the value of life."

"One of the great achievements of science has been, if not to make it impossible for intelligent people to be religious, then at least to make it possible for them not to be religious. We should not retreat from this accomplishment."

"Scientists do not join hands every Sunday and sing "Yes gravity is real! I know gravity is real! I will have faith! I believe in my heart that what goes up, up, up must come down, down, down. Amen!"If they did, we would think they were pretty insecure about the concept."

"Reality provides us with facts so romantic that imagination itself could add nothing to them."

"Credentials are like potential energy, the compliments of a name on paper, in documents, word of mouth, but faith is like kinetic energy, the motion and the force that which is witnessed. Hence in the end it is the faith rather than the credentials that really takes you places."

"Science is what we have learned about how to keep from fooling ourselves."

"A foolish faith in authority is the worst enemy of truth."

"Space is big. You just won't believe how vastly, hugely, mind-bogglingly big it is. I mean, you may think it's a long way down the road to the chemist's, but that's just peanuts to space."

"No one infers a god from the simple, from the known, from what is understood, but from the complex, from the unknown, and incomprehensible. Our ignorance is God; what we know is science."

"America will never be destroyed from the outside. If we falter and lose our freedoms, it will be because we destroyed ourselves."

"Alfred Nobel stipulated that no distinction of race or colour will determine who received of his generosity."

"A true conservationist is a man who knows that the world is not given by his fathers, but borrowed from his children."

"Only you can control your future."

"Those who are enslaved to their sects are not merely devoid of all sound knowledge, but they will not even stop to learn!"

"Reality is, you know, the tip of an iceberg of irrationality that we've managed to drag ourselves up onto for a few panting moments before we slip back into the sea of the unreal."

"I maintain that the cosmic religious feeling is the strongest and noblest motive for scientific research."

"Do not become someone else just because you are hurt. Be who you are & smile, it may solve, all problems you have got."

"It is my mood which decides the weather, it is my mood which brings the tiny changes to humankind."