Who said “Curiosity is one of the permanent and certain characteristics of a vigorous intellect.”?

“The first and the simplest emotion which we discover in the human mind is Curiosity.”

“I think, at a child's birth, if a mother could ask a fairy godmother to endow it with the most useful gift, that gift would be curiosity.”

“A person who is too nice an observer of the business of the crowd, like one who is too curious in observing the labour of the bees, will often be stung for his curiosity.”

“We never stop investigating. We are never satisfied that we know enough to get by. Every question we answer leads on to another question. This has become the greatest survival trick of our species.”

“The important thing is not to stop questioning. Curiosity has its own reason for existence. One cannot help but be in awe when he contemplates the mysteries of eternity, of life, of the marvelous structure of reality. It is enough if one tries merely to comprehend a little of this mystery each day. Never lose a holy curiosity. ... Don't stop to marvel.”

“Language is the dress of thought.”

“The future is purchased by the present.”

“He who praises everybody, praises nobody.”

“I will be conquered; I will not capitulate.”

“It is better to live rich, than to die rich.”

“Patriotism is the last refuge of a scoundrel.”