Nicodemus Copernicus

"The test of courage is not absence of fear, but action despite it."

"Imagination is the birthplace of all creation."

"The essence of life is growth."

"Friendship multiplies joy and divides sorrow."

"To live without purpose is to merely exist."

"The world changes when we change ourselves."

"The universe is a sphere whose center is everywhere and whose circumference is nowhere."

"To know that we know what we know, and that we do not know what we do not know, is true knowledge."

"I am not so enamored of my own opinions that I disregard what others have to say."

"The eye which sees all things, sees itself last."

"Nothing is so unbelievable that oratory cannot make it acceptable."

"By the side of the everlasting why there is a yes, and all true philosophy begins in wonder."

"We cannot live only for ourselves. A thousand fibers connect us with our fellow men and women."

"The earth, though it seems to us fixed and immobile, is in fact always moving."

"Man can embody truth, but he cannot know it."

"Do not fear to be eccentric in opinion, for every opinion now accepted was once eccentric."

"The greatest delight is in breaking the chains of ignorance."

"What we have once enjoyed we can never lose. All that we love deeply becomes a part of us."

"I have come to accept the feeling of not knowing where I am going. And I guess that is progress."

"The sun with all those planets revolving around it and dependent on it can still ripen a bunch of grapes as if its only job in the whole universe was to do that."

"There is nothing in the universe except atoms and the void; all else is merely opinion."

"Knowledge without practice is like a tree without fruit."

"The pursuit of truth and beauty is a sphere of activity in which we are allowed to remain children all our lives."

"Certain it is that the human race has genius, vigor, and vitality that is incredible."

"Those who follow the crowd usually get lost in it."

"The measure of a man is not how he behaves in moments of comfort and convenience, but how he stands at times of challenge and controversy."

"We are all connected; To each other, biologically. To the earth, chemically. To the rest of the universe atomically."

"The dullest clod feels a stab of wonder at the stars."

"Curiosity is the very basis of education, and if you tell me that curiosity killed the cat, I say only the cat died nobly."

"The heart has its reasons which reason knows nothing of."