The most wonderful and the strongest things in the world, you know, are just the things which no one can see.

No earnest thinker is a plagiarist pure and simple. He will never borrow from others that which he has not already, more or less, thought out for himself.

Take comfort, and recollect however little you and I may know, God knows; He knows Himself and you and me and all things; and His mercy is over all His works.

I can conceive few human states more enviable than that of the man to whom, panting in the foul laboratory, or watching for his life under the tropic forest, Isis shall for a moment lift her sacred veil, and show him, once and for ever, the thing he dreamed not of; some law, or even mere hint of a law, explaining one fact; but explaining with it a thousand more, connecting them all with each other and with the mighty whole, till order and meaning shoots through some old Chaos of scattered observations.

Madame Nature allows no dangerous classes, in the modern sense. She has, doubtless for some wise reason, no mercy for the weak. She rewards each organism according to its works; and if anything grows too weak or stupid to take care of itself, she gives it its due deserts by letting it die and disappear.

Every winter, When the great sun has turned his face away, The earth goes down into a vale of grief, And fasts, and weeps, and shrouds herself in sables, Leaving her wedding-garlands to decay- Then leaps in spring to his returning kisses.

He was not only, I soon discovered, a water drinker, but a strict vegetarian, to which, perhaps, he owed a great deal of the almost preternatural clearness, volubility, and sensitiveness of mind.