From awareness comes attention. Attention flows from awareness when in that awareness there is no choice, no personal choosing, no experiencing...but merely observing.
And, to observe, you must have in the mind a great deal of space.
A mind that is caught in ambition, greed, envy, in the pursuit of pleasure and self-fulfillment, with its inevitable sorrow, pain, despair, anguish – such a mind has no space in which to observe, to attend. It is crowded with its own desires, going round and round in its own backwaters of reaction.
You cannot attend if your mind is not highly sensitive, sharp, reasonable, logical, sane, healthy, without the slightest shadow of neuroticism.
The mind has to explore every corner of itself, leaving no spot uncovered, because if there is a single dark corner of one's mind which one is afraid to explore, from that springs illusion...