Mihai-Sebastian Ioniță's Key Ideas from Can't Hurt Me
by David Goggins

Sadly, most of us give up when we’ve only given around 40 percent of our maximum effort. Even when we feel like we’ve reached our absolute limit, we still have 60 percent more to give! That’s the governor in action! Once you know that to be true, it’s simply a matter of stretching your pain tolerance, letting go of your identity and all your self-limiting stories, so you can get to 60 percent, then 80 percent and beyond without giving up.