There are two kinds of experts: academic experts and practical experts. One is not better than the other, but they are very different, and each offers very different value.
Simon SinekDon't quit. Never give up trying to build the world you can see, even if others can't see it. Listen to your drum and your drum only. It's the one that makes the sweetest sound.
Simon SinekLeaders volunteer to go first into danger. Their willingness to sacrifice for us is the reason we're inspired to follow.
Simon Sinek