Opinions are to the vast apparatus of social existence what oil is to machines: one does not go up to a turbine and pour machine oil over it; one applies a little to hidden spindles and joints that one has to know. ↗
The Internet is a big place where a lot of people can voice their opinions, and my mother chooses to pick fights with random people from all over the world who don't have the nicest things to say about me. ↗
The two worst strategic mistakes to make are acting prematurely and letting an opportunity slip; to avoid this, the warrior treats each situation as if it were unique and never resorts to formulae, recipes or other people's opinions. ↗