“To love truth for truth's sake is the principal part of human perfection in this world, and the seed-plot of all other virtues
“A dreamer is one who can only find his way by moonlight, and his punishment is that he sees the dawn before the rest of the world
“There's a lot of people in this world who spend so much time watching their health that they haven't the time to enjoy it.
“You know more of a road by having traveled it than by all the conjectures and descriptions in the world.
“The world is a country which nobody ever yet knew by description; one must travel through it one's self to be acquainted with it.
“Some day science may have the existence of mankind in power, and the human race can commit suicide by blowing up the world
“A man's first care should be to avoid the reproaches of his own heart, and his next to escape the censures of the world
“We look forward to the time when the power to love will replace the love of power. Then will our world know the blessings of peace
“To see a world in a grain of sand and heaven in a wild flower hold infinity in the palms of your hand and eternity in an hour
“The world presents enough problems if you believe it to be a world of law and order; do not add to them by believing it to be a world of miracles.
“If all the world hated you, and believed you wicked, while your own conscience approved you, and absolved you from guilt, you would not be without friends
“There are only two ways of getting on in the world either by one's own industry, or by the stupidity of others
“There is not one blade of grass, there is no color in this world that is not intended to make us rejoice
“At some future period, not very distant as measured by centuries, the civilized races of man will almost certainly exterminate, and replace the savage races throughout the world
“Are there not thousands in the world who love their fellows even to the death, who feel the giant agony of the world, and more, like slaves to poor humanity, labor for mortal good?
“If there were only turnips and potatoes in the world, someone would complain that plants grow the wrong way.