Who you are is a mystery no one can answer, not even you.

His very existence was improbable, inexplicable, and altogether bewildering. He was an insoluble problem. It was inconceivable how he had existed, how he had succeeded in getting so far, how he had managed to remain — why he did not instantly disappear.

Man is an enigma whose knot has not ceased to occupy observers. The contradictions that he contains astonish reason and impose silence on it. So what is this inconceivable being who carries within him powers that clash and who is obliged to hate himself in order to esteem himself?

Is it so big a mystery what god and man and world are? No! but nobody knows how to solve it so the mystery hangs on.

The ultimate, unqualified mystery is beyond Human experience

Being an intellectual creates a lot of questions and no answers.

I think of a mystery hard to solve
universal life's instinct's solitary
eternally eternally solitary a sentiment ever so flowery.

God's name is not known; it is wondered at.

We're forever teetering on the brink of the unknowable, and trying to understand what can't be understood.

At once he became an enigma. One side or the other of his nature was perfectly comprehensible; but both sides together were bewildering.

The enigma I will not explain – its "dark saying" must be left unguessed, and I warn you that the apparent connection between the variations and the theme is often of the slightest texture.

She was a riddle, who mysteriously possessed her own solution, a secret, and what are all diplomats' secrets compared with this, an enigma, and what in all the world is so beautiful as the word that solves it?

Love is an endless mystery, because there is no reasonable cause that could explain it.

Sometimes there are no answers.