This is it... Everything is as it should be... Whatever... It is what it is... Sounds a bit like resignation but I ask that you think about it differently.
All of these sayings remind us to stay present in the moment. No focus on outcome or results. It is an opportunity to be exactly where you are and to find the peace and joy in the current experience. Each moment ultimately passes, what a waste it is to minimize the exact experience you are having right now. Be present, enjoy each moment and take a look at this article from Mindful.org... A Phrase to Change Your Day: Jon Kabat-Zinn