"It's tiny out there...it's inconsequential. It's ironic that we had come to study the Moon and it was really discovering the Earth."

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Raise your quality standards as high as you can live with, avoid wasting your time on routine problems, and always try to work as closely as possible at the boundary of your abilities. Do this, because it is the only way of discovering how that boundary should be moved forward.

— Edsger Dijkstra