Feel compliments as deeply as you feel insults. - James Clear

Not enough is said about the power of thinking about one topic for a long period of time.

If you revisit a topic continually for a few years, most problems (and many solutions) will occur to you at some point.

Expertise can be the gradual accumulation of many modest insights.

Do things for your own satisfaction. Consider praise from others to be a bonus. If you don't work for their validation in the first place, you won't need it to feel satisfied once it's done.

Laughter itself cannot make a great relationship, but the lack of it can spoil one.