Famous sayings are not always right. Renting as opposed to owning, assures that you are obtaining the use of something which has been well used, and maybe abused, by others. Some of us prefer a known, rather than a "'hope it's okay".
So my first plane has been flown by no one but I since I bought it 29 years ago, my second (floating) plane has been me only since I bought it 8 years ago, and my wife of 19 years and I are completely devoted to one and other!
What I must commit to each is well worth it, for security of mind....