four things you should avoid at all costs one don't worry about things that haven't happened yet as senica says excessive worry is unnecessary two don't think you know everything we can let it go we don't need to have an opinion on everything or judge everything we see and hear three don't complain Marcus arelius writes in his meditations don't be overheard complaining not even to yourself if you simply take things as they are you'll have less to complain about four don't be too busy do one thing at a time and focus on what you can control
to achieve your goals