Vision - It reaches beyond the thing that is, into the conception of what can be. Imagination gives you the picture. Vision gives you the impulse to make the picture your own.
You cannot hold on to anything good. You must be continually giving - and getting. You cannot hold on to your seed. You must sow it - and reap anew. You cannot hold on to riches. You must use them and get other riches in return.
One comes to believe whatever one repeats to oneself sufficiently often, whether the statement be true or false. It comes to be the dominating thought in one's mind.
One might as well try to ride two horses moving in different directions, as to try to maintain in equal force two opposing or contradictory sets of desires.