Don't waste time thinking about what could have been when you could be thinking about what could be.

Do not kick people when they are down because you will surely fall right beside them.

It is not wrong to strive to be better than a fellow human being. Nor is it wrong to desire to be better or even to feel like oneself is better than a fellow human being. What is wrong is to gloat in one's own virtue. Therefore, gloating in one's own virtue is not virtuous.

In order to maintain a friendship, do not avoid confrontation, but rather, embrace it.

What if there were no hypothetical situations?

To help someone who is down on their luck is admirable. To help an adversary who is down on their luck is divine.

When the world changes, you have to adapt and change with it. It's not just death and taxes that we can always count on in life.... add 'change' to that mix. No matter what, tomorrow will always be a little bit different than today.