Look at situations from all angles, and you will become more open.

If a problem is fixable, if a situation is such that you can do something about it, then there is no need to worry. If it's not fixable, then there is no help in worrying. There is no benefit in worrying whatsoever.

Whoever fights monsters should see to it that in the process he does not become a monster. And if you gaze long enough into an abyss, the abyss will gaze back into you.

The way to overcome negative thoughts and destructive emotions is to develop opposing, positive emotions that are stronger and more powerful.

Feelings of anger, bitterness, and hate are negative. If I kept those inside me, they would spoil my body and my health. They are of no use.

Energy wasted on negative ends.