“Two qualities are indispensable: first, an intellect that, even in the darkest hour, retains some glimmerings of the inner light which leads to truth; and second, the courage to follow this faint light wherever it may lead.” -Carl von Clausewitz
"The specific moral is that within the standard model the [cosmic microwave background] temperature is a key parameter in fixing the thermal and dynamical history of the Universe. The measurement of this parameter made physical cosmology much more definite, and the detection of the radiation made the Big Bang cosmology a good deal more credible." -P.J.E. Peebles
“It suddenly struck me that that tiny pea, pretty and blue, was the Earth. I put up my thumb and shut one eye, and my thumb blotted out the planet Earth. I didn’t feel like a giant. I felt very, very small.” -Neil Armstrong