It's not literally about beliefs, but about the logical chain of nuanced considerations you must go through to implement time. You only "believe" them in the se

It's not literally about beliefs, but about the logical chain of nuanced considerations you must go through to implement time. You only "believe" them in the sense that when your hands hit your keyboard to write the first draft of code, you will likely write code that assumes multiple of these misconceptions are true. Hairy problems always seem simpler on first glance than they actually are.