Sensation-Insensibility

There are times when fear is good. It must keep its watchful place at the heart's controls. There is advantage in the wisdom won from pain. (Aeschylus)

Suffering is the sole origin of consciousness. (Dostoevsky)

It is axiomatic that we should all think of ourselves as being more sensitive than other people because, when we are insensitive in our dealings with others, we cannot be aware of it at the time: conscious insensitivity is a self-contradiction. (W H Auden)

When people fall in deep distress, their native sense departs. (Sophocles)

A deep distress hath humanised my Soul. (William Wordsworth)

To the dull mind all nature is leaden. To the illumined mind the whole world burns and sparkles with light. (Emerson)