Whoever cannot seek the unforeseen sees nothing, for the known way is an impasse.

He who knows only his own side of the case knows little of that.

A half knowledge of another's life mostly does injustice to the life unknown.

Yet he was jealous, though he did not show it, For jealousy dislikes the world to know it.

He is not a true man of the world who knows only the present fashions of it.

Tout l'esprit qui est au monde est inutile à celui qui n'en a point : il n'a nulles vues, et il est incapable de profiter de celles d'autrui.

Save his own soul he hath no star.

One half of the world cannot understand the pleasures of the other.

I might show it to you, but you'd never see it. The privilege isn't given to every one; it's not enviable. It has never been seen by a young, happy, innocent person like you. You must have suffered first, have suffered greatly, have gained some miserable knowledge. In that way your eyes are opened to it.

The person who knows only his side of the argument knows little of that.

Hercule Poirot: I am an imbecile. I see only half of the picture.
Miss Lemon: I don't even see that.

Heaven gives its glimpses only to those
Not in position to look too close.

He who knows all the answers has not been asked all the questions.

Thou hast seen nothing yet.