Good code is its own best documentation. As you're about to add a comment, ask yourself, "How can I improve the code so that this comment isn't needed?" Improve the code and then document it to make it even clearer.

Motivation is undoubtedly the single greatest influence on how well people perform. Most productivity studies have found that motivation has a stronger influence on productivity than any other factor.

Good code is its own best documentation.

It's better to wait for a productive programmer to become available than it is to wait for the first available programmer to become productive.

A brute force solution that works is better than an elegant solution that doesn't work.

... programming requires more concentration than other activities. It's the reason programmers get upset about 'quick interruptions' - such interruptions are tantamount to asking a juggler to keep three balls in the air and hold your groceries at the same time.

In my experience, you either have encapsulation and abstraction or you have neither. There is no middle ground.