I had walked into that reading-room a happy, healthy man. I crawled out a decrepit wreck. - Jerome K. Jerome

Evil thought is a dangerous pet. It is safer to play with it from behind the iron bars of circumstance.

If there is one person I do despise more than another, it is the man who does not think exactly the same on all topics as I do...

And how madly we did worship! And how sweet it was to worship! Ah, lad, cherish love's young dream while it lasts! You will know too soon how truly little Tom Moore sang when he said that there was nothing half so sweet in life. Even when it brings misery it is a wild, romantic misery, all unlike the dull, worldly pain of after-sorrows. When you have lost her—when the light is gone out from your life and the world stretches before you a long, dark horror, even then a half-enchantment mingles with your despair.