"Curiosity is one of the great secrets of happiness."

"Curiosity is the one thing invincible in Nature."

"The cure for boredom is curiosity. There is no cure for curiosity." 

"People say: idle curiosity. The one thing that curiosity cannot be is idle." 

"He wrote as a young man that God's noblest gift was the gift of an inquiring mind."

"I think I benefited from being equal parts ambitious and curious. And of the two, curiosity has served me best." 

"Knowledge is not rooted in facts; it is rooted in curiosity." 

"Think for yourselves and let others enjoy the privilege to do so too." 

"We keep moving forward, opening new doors, and doing new things, because we're curious and curiosity keeps leading us down new paths." 

"Perhaps the greatest virtue of man is curiosity." 

"Why am I so curious? I don’t know. But I’ll find out." 

"Satisfaction of one's curiosity is one of the greatest sources of happiness in life." 

"Learning is by nature curiosity ... prying into everything, reluctant to leave anything, material or immaterial, unexplained." 

"It is a miracle that curiosity survives formal education." 

"The whole art of teaching is only the art of awakening the natural curiosity of the young mind for the purpose of satisfying it afterwards."

"There are more things in Heaven and Earth, Horatio, than are dreamt of in your philosophy."

"Curiosity will conquer fear even more than bravery will." 

"People die when curiosity goes." 

"A sense of curiosity is nature's original school of education."

"Curiosity is the ultimate power tool."

"Be curious always!  For knowledge will not acquire you; you must acquire it."

"Seize the moment of excited curiosity on any subject to solve your doubts; for if you let it pass, the desire may never return, and you may remain in ignorance." 

"Curiosity has its own reason for existing. One cannot help but be in awe when one contemplates the mysteries of eternity. Never lose a holy curiosity." 

"Be less curious about people and more curious about ideas." 

"I have no special talents. I am only passionately curious." 

"Those with less curiosity or ambition just mumble that God works in mysterious ways. I intend to catch him in the act." 

"It is a capital mistake to theorize in advance of the facts." 

"There are no foolish questions, and no man becomes a fool until he has stopped asking questions." 

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

"Curiosity is the deepest connection that we have with knowledge, wisdom and life. Incuriosity is cutting all these connections."

"Curiosity sets us apart from the average lump of dirt."

"If we had known everything in this universe, we would have had to find another universe to feed our curiosity, because what keeps man alive is curiosity!"

"Curiosity is one of the permanent and certain characteristics of a vigorous mind." 

"When holy curiosity is driven by passion, and critical thinking by perseverance, wisdom and truth emerge." 

"The spark of curiosity ignites passion in great minds." 

"A person without curiosity may as well be dead."

"Curiosity is, in great and generous minds, the first passion and the last." 

"Socrates told us, 'the unexamined life is not worth living.' I think he's calling for curiosity, more than knowledge. In every human society at all times and at all levels, the curious are at the leading edge." 

"Curiosity about life in all of its aspects, I think, is still the secret of great creative people." 

"One of the secrets of life is to keep our intellectual curiosity acute."