if you don't concentrate on what you are doing then the thing that you are doing is not what you are thinking.

Nor at all can tell Whether I mean this day to end myself, Or lend an ear to Plato where he says, That men like soldiers may not quit the post Allotted by the Gods.

Sweet is true love that is given in vain, and sweet is death that takes away pain.

She hath no loyal knight and true, The Lady of Shalott.

All the windy ways of men Are but dust that rises up, And is lightly laid again.

Strong Son of God, immortal Love, Whom we, that have not seen thy face, By faith, and faith alone, embrace, Believing where we cannot prove.

That tower of strength Which stood four-square to all the winds that blew.