Surely our own errors, failures, weaknesses and sins ought to have taught us this lesson.
In the bedroom of a friend where I recently slept, was a card on which was illuminated these words, which bear particularly upon this subject: The life that has not known and accepted sorrow is strangely crude and untaught; it can neither help nor teach, for it has never learned.

The life that has spurned the lesson of sorrow, or failed to read it aright, is cold and hard.

But the life that has been disciplined by sorrow is courageous and full of holy and gentle love.
And it is this holy, gentle, and courageous love that we need to exercise every day towards those who require it, rather than the worry that frets still more, irritates, and widens the gulf already existent.

So, reader, don't worry, but help, sympathetically and lovingly, and above all, don't become indifferent, hard-hearted and selfish..