Quotes about Unkind

Pain has many faces . . .the unseen part of man is often the victim of the most debilitating of pains . . . a man can endure excruciating physical pain, and yet he can be felled by one unkind word.

I've heard of hearts unkind, kind deeds With coldness still returning; Alas! the gratitude of men Has oftener left me mourning.