Your entire life happens inside your body. It's the one home you will always occupy and can never sell. But you can renovate it. If you can only pi… - James Clear

Be kind. You should do it simply to be decent, but do it even if you're a ruthless mercenary because you have no idea where people will end up in 10 years. The balance of power is always shifting. People will surprise you.

The key is to enjoy hanging out on the edge. That is, you find it interesting to attempt things one step beyond where you are right now. It could be the edge of your ability or the edge of your knowledge or the edge of your network.

If you reach — but just a little — and you do it every week, then you'll take on challenges that are manageable enough that you win most of the time, but meaningful enough that you improve as well.

Measure your success against others and you'll be unhappy when they win—and less likely to receive help from them due to your jealousy.

Measure your success against yourself and you can be happy when others win—and more likely to receive help from them thanks to your support.