Saint Ignatius

Some indeed have tears naturally, when the higher motion of the soul makes itself felt in the lower, or because God our Lord, seeing that it would be good for them, allows them to melt into tears. But this does not mean that they have greater charity or that they are more effective than others who enjoy no tears.

The range of what we think and do is limited by what we fail to notice. And because we fail to notice that we fail to notice, there is little we can do to change; until we notice how failing to notice shapes our thoughts and deeds.