"There are scores of thousands of human insects who are ready at a moment's notice to reveal the Will of God on every possible subject"

"The natural term of the affection of the human animal for its offspring is six years."

"You'll never have a quiet world till you knock the patriotism out of the human race."

"Human affairs are so obscure and various that nothing can be clearly known."

"You could either be trapped by what was going on around you, or you could find a way out. I think that everything, even if it is scary or good, comes into our life to help elevate and expand us as human beings."

"The power of human thought grows exponentially with the number of minds that share that thought."

"Nothing captures human interest more than human tragedy."

"Tolerance is giving to every other human being every right that you claim for yourself."

"Rigid, the skeleton of habit alone upholds the human frame."

"One of the signs of passing youth is the birth of a sense of fellowship with other human beings as we take our place among them."

"Methinks the human method of expression by sound of tongue is very elementary, and ought to be substituted for some ingenious invention which should be able to give vent to at least six coherent sentences at once."

"To strive with difficulties, and to conquer them, is the highest human felicity."

"The human species, according to the best theory I can form of it, is composed of two distinct races, the men who borrow and the men who lend."

"To act from pure benevolence is not possible for finite human beings, Human benevolence is mingled with vanity, interest, or some other motive."

"Whilst Man, however well-behaved, At best is but a monkey shaved!"

"Great abilities are not requisite for an Historian; for in historical composition, all the greatest powers of the human mind are quiescent. He has facts ready to his hand; so there is no exercise of invention. Imagination is not required in any degree; only about as much as is used in the lowest kinds of poetry. Some penetration, accuracy, and coloring, will fit a man for the task, if he can give the application which is necessary."

"He who has so little knowledge of human nature as to seek happiness by changing anything but his own disposition will waste his life in fruitless efforts."

"I have always considered it as treason against the great republic of human nature, to make any man's virtues the means of deceiving him."

"There are indeed, in the present corruption of mankind, many incitements to forsake truth: the need of palliating our own faults and the convenience of imposing on the ignorance or credulity of others so frequently occur; so many immediate evils are"

"He that would be superior to external influences must first become superior to his own passions."

"I am willing to love all mankind, except an American."

"In the long history of humankind (and animal kind, too) those who learned to collaborate and improvise most effectively have prevailed."

"One general law, leading to the advancement of all organic beings, namely, multiply, vary, let the strongest live and the weakest die."

"The love for all living creatures is the most noble attribute of man."