You will always find those who think they know what is your duty better than you know it.

Other world? There is no other world; here or nowhere is the whole fact.

All the tools and engines on earth are only extensions of man's limbs and senses.

Before we acquire great power we must acquire wisdom to use it well.

People do not deserve to have good writing, they are so pleased with bad.

Thus inevitably does the universe wear our color, and every object fall successively into the subject itself. The subject exists, the subject enlarges; all things sooner or later fall into place. As I am, so I see; use what language we will, we can never say anything but what we are.

Every industrious man, in every lawful calling, is a useful man. And one principal reason why men are so often useless is that they neglect their own profession or calling, and divide and shift their attention among a multiplicity of objects and pursuits.