“Of all machines, the human heart is the most complicated and inexplicable.”

“If I am to meet with a disappointment, the sooner I know it, the more of life I shall have to wear it off.”

“Walking is the very best exercise. Habituate yourself to walk very far.”

“But every difference of opinion is not a difference of principle.”

“But whether I retire to bed early or late, I rise with the sun.”

“The art of life is the art of avoiding pain; and he is the best pilot, who steers clearest of the rocks and shoals with which it is beset.”

“Leave all the afternoon for exercise and recreation, which are as necessary as reading. I will rather say more necessary because health is worth more than learning.”

“A great deal of love given to a few is better than a little to many.”

“The most valuable of all talents is that of never using two words when one will do.”

“Ignorance is preferable to error, and he is less remote from the truth who believes nothing than he who believes what is wrong.”

“Always take hold of things by the smooth handle.”

“Where the press is free and every man able to read, all is safe.”

“He who permits himself to tell a lie once, finds it much easier to do it the second time.”

“I hold it that a little rebellion now and then is a good thing, and as necessary in the political world as storms in the physical.”

“Do you want to know who you are? Don’t ask. Act! Action will delineate and define you.”

“Determine never to be idle. No person will have occasion to complain of the want of time, who never loses any. It is wonderful how much may be done, if we are always doing.”

“I’m a greater believer in luck, and I find the harder I work the more I have of it.”

“He who knows best knows how little he knows.”

“Do not bite at the bait of pleasure, till you know there is no hook beneath it.”

“I believe that every human mind feels pleasure in doing good to another.”

“Good wine is a necessity of life for me.”

“Nothing gives one person so much advantage over another as to remain always cool and unruffled under all circumstances.”

“The care of human life and happiness, and not their destruction, is the first and only object of good government.”

Real life security and contentment come not from putting a gun in the cupboard, but from taking a role in the world's future.