Greatness is consistency driven by a deep love of the work. - Maria Popova

To be a revolutionary is to be in possession of an imagination capable of leaping across the frontier of the familiar to envision a new order in which what is gained eclipses the ill-serving comforts of what is lost.

For only as truth is substituted for the shadows of doubt and fear and distrust that now impel man to turn against himself — only as truth is discovered and expressed — can we be truly free.

We still talk in terms of conquest. We still haven’t become mature enough to think of ourselves as only a very tiny part of a vast and incredible universe….We’re challenged, as mankind has never been challenged before, to prove our maturity and our mastery — not of nature, but of ourselves.