A thing may be incredible and still be true; sometimes it is incredible because it is true.

Ignorance is the parent of fear.

It is the easiest thing in the world for a man to look as if he had a great secret in him.

...that one most perilous and long voyage ended, only begins a second; and a second ended, only begins a third, and so on, for ever and for aye. Such is the endlessness, yea, the intolerableness of all earthly effort.

In their precise tracings-out and subtle causations, the strongest and fieriest emotions of life defy all analytical insight.

But as in landlessness alone resides the highest truth, shoreless, indefinite as God - so better is it to perish in that howling infinite, than be ingloriously dashed upon the lee, even if that were safety! For worm-like, then, oh! who would craven crawl to land!

Who in the rainbow can draw the line where the violet tint ends and the orange tint begins? Distinctly we see the difference of the colors, but where exactly does the one first blendingly enter into the other? So with sanity and insanity.