Isaac Newton Quotes

"Every body continues in its state of rest, or of uniform motion in a right line, unless it is compelled to change that state by forces impressed upon it."

"A man may imagine things that are false, but he can only understand things that are true, for if the things be false, the apprehension of them is not understanding."

"If I am anything, which I highly doubt, I have made myself so by hard work."

Niels Bohr Quotes

"We are all agreed that your theory is crazy. The question which divides us is whether it is crazy enough to have a chance of being correct. My own feeling is that it is not crazy enough."

"There are trivial truths and the great truths. The opposite of a trivial truth is plainly false. The opposite of a great truth is also true."

"Prediction is very difficult, especially if it's about the future."

 

Carl Sagan Quotes

"For me, it is far better to grasp the Universe as it really is than to persist in delusion, however satisfying and reassuring."

"Extraordinary claims require extraordinary evidence."

"Somewhere, something incredible is waiting to be known." 

Stephen Hawking Quotes

"One, remember to look up at the stars and not down at your feet. Two, never give up work. Work gives you meaning and purpose and life is empty without it. Three, if you are lucky enough to find love, remember it is there and don't throw it away."

"We are just an advanced breed of monkeys on a minor planet of a very average star. But we can understand the Universe. That makes us something very special."  

Albert Einstein Qoutes

"Two things are infinite: the universe and human stupidity; and I'm not sure about the universe."

"Never memorize something that you can look up."

"Learn from yesterday, live for today, hope for tomorrow. The important thing is to not stop questioning."