“Morality comes with the sad wisdom of age, when the sense of curiosity has withered.”

“Intelligence flourishes only in the ages when belief withers.”

“Only when one has lost all curiosity about the future has one reached the age to write an autobiography.”

“The highest morality may prove also to be the highest wisdom when the half-told story comes to be finished.”

“Curiosity is the beginning of all wisdom.”

“Wisdom. No match for the troublemaker Curiosity.”

“Man has no moral instinct. He is not born with moral sense. You were not born with it, I was not - and a puppy has none. We acquire moral sense, when we do, through training, experience, and hard sweat of the mind.”

“The sad rhyme of the men who proudly clung
To their first fault, and withered in their pride.”

“Knowledge ceases to be wisdom when one has no method for making sense or use of what one learns.”

“age has its own glory, beauty, and wisdom that belong to it.”