Galileo Galilei

"Errors have been made. The effort was made."

"Facts which at first seem improbable will, even on scant explanation, drop the cloak which has hidden them and stand forth in naked and simple beauty."

"In my studies of astronomy and philosophy, I have always remained true to my principles."

"The appreciation of any great scientific truth arises from an understanding of God's creation."

"To command nature, one must first obey nature."

"The great book of nature can be read only by those who know the language in which it was written."

"Imagination is more important than knowledge."

"The strength of an argument lies not in its delivery but in its truth."

"Courage is the recognition of fear, stepped over and pushed aside."

"My desire is not to conquer anyone but to understand."

"The glory of creation is its complexity; the glory of man is his ability to understand that complexity."

"All are born alike, yet a few are born to be superior."

"Never try to defend the truth with your fists."

"The steady can see through the chaos."

"A single experiment can teach us more than a thousand arguments."

"Slow and steady wins the race in the pursuit of truth."

"The strength of any civilization rests on its ability to adapt."

"We are all bound together by the immutable laws of nature."

"To gain knowledge, one must first acknowledge ignorance."

"The essence of truth is in its simplicity."

"In the pursuit of knowledge, never stop questioning."

"What we once thought impossible is often merely difficult."

"The universe is a great open book written by God."

"Understanding comes not from acceptance, but from inquiry."

"The patterns of nature reveal the mind of the creator."

"To measure the stars, one must first understand the earth."

"Not all that is written is truth, and not all truth is written."

"The power of observation is greater than the power of speculation."

"Success is the sum of small efforts repeated day in and day out."

"The mind of man is capable of understanding the workings of nature."