There are four basic ways people can deal with conflict at different times - competition, avoidance, accommodation and collaborative problem-solving. These strategies depend on the level of concern people in dispute have for their own outcome vis-à-vis the other party's outcome. (It's called the Dual Concern Model.)
If I am experiencing the world as a scary place and am caught up in feelings of insecurity, frustration, and hopelessness, that is a direct reflection of some fairly low quality thinking. If I am experiencing a world of possibility coupled with a general sense of well-being, that is a direct reflection of some fairly high quality thinking.