How oft in such hours our fond thoughts stray

To the dream of two idle lovers;

To the young wife's kiss; to the child at play;

Or the grave which the long grass covers!

And little we'd reck of power or gold,

And of all life's vain endeavour,

If the heart could glow as it glowed of old,

And if youth could abide for ever.

Another consideration in the cultivation of happiness is the importance of acquiring the habit of realising our blessings while they last. It is one of the saddest facts of human nature that we commonly only learn their value by their loss. This, as I have already noticed, is very evidently the case with health. By the laws of our being we are almost unconscious of the action of our bodily organs as long as they are working well. It is only when they are deranged, obstructed or impaired that our attention becomes concentrated upon them. In consequence of this a state of perfect health is rarely fully appreciated until it is lost and during a short period after it has been regained. Gray has described the new sensation of pleasure which convalescence gives in well-known lines:

See the wretch who long has tost