I also look at this as being true to yourself. I say this because many times when you are faced with a difficult decision, part of the difficultly is that you will be letting someone down who you care about. Some great examples are taking a job for more money an no opportunity versus less money and the opportunity for growth, or staying in a job for the money. We all have faced these decisions or know others who have.
You may be happy in your current employment and really like your co-workers and superiors. This is the known. The great opportunity is the unknown. Many people stay where they are because it’s comfortable, even if the job offered has better growth and advancement opportunities. Staying in a job for the money usually raises a number of other issues.
I know some of you are thinking that some easy decisions make for an easier life. True. Nothing is all or nothing. But overall most people take the easier road to not upset the apple cart. Next time you or someone you care about are faced with a difficult decision think about the big picture, your life and where you want to be. If the opportunity will provide a better chance to get there, suck it up, make the hard decision and make your future.