Oliver Wendell Holmes Sr.

“Controversy equalizes fools and wise men... and the fools know it.”

“A mind that is stretched by a new experience can never go back to its old dimensions.”

“I find the great thing in this world is not so much where we stand, as in what direction we are moving.”

“The sound of a kiss is not so loud as that of a cannon, but its echo lasts a great deal longer.”

“Where we love is home - home that our feet may leave, but not our hearts.”

“The young man knows the rules, but the old man knows the exceptions.”

“It is the province of knowledge to speak and it is the privilege of wisdom to listen.”

“Language is the blood of the soul into which thoughts run and out of which they grow.”

“Old age is fifteen years older than I am.”

“Every man is an omnibus in which his ancestors are seated.”

“A moment's insight is sometimes worth a life's experience.”

“The best of a book is not the thought which it contains, but the thought which it suggests.”

“The human race is divided into two classes—those who go ahead and do something, and those who sit still and inquire, 'Why wasn't it done the other way?'”

“A child's education should begin at least one hundred years before he is born.”

“Many people die with their music still in them.”

“The world's great men have not commonly been great scholars, nor its great scholars great men.”

“Have the courage to be ignorant of a great number of things, in order to avoid the calamity of being ignorant of everything.”