Of all God's creatures, there is only one that cannot be made slave of the leash. That one is the cat. If man could be crossed with the cat it would improve the man, but it would deteriorate the cat.
Nothing so needs reforming as other people's habits. Fanatics will never learn that, though it be written in letters of gold across the sky. It is the prohibition that makes anything precious.
Tom said to himself that it was not such a hollow world, after all. He had discovered a great law of human action, without knowing it -- namely, that in order to make a man or a boy covet a thing, it is only necessary to make the thing difficult to attain.
What is the most rigorous law of our being? Growth. No smallest atom of our moral, mental, or physical structure can stand still a year. It grows - it must grow; nothing can prevent it.
Sane and intelligent human beings are like all other human beings, and carefully and cautiously and diligently conceal their private real opinions from the world and give out fictitious ones in their stead for general consumption.
Now when I had mastered the language of this water, and had come to know every trifling feature that bordered the great river as familiarly as I knew the letters of the alphabet, I had made a valuable acquisition. But I had lost something, too. I had lost something which could never be restored me while I lived. All the grace, the beauty, the poetry, had gone out of the majestic river!