Wise advice on discipline

If you want to master a habit, the key is to start with repetition, not perfection - James Clear
The core message here is that the frequency of a behavior is infinitely more important than the flawlessness of its execution when you're starting out.

Quotes about foundation principles

A habit must be established before it can be improved - James Clear
The core message is brutally simple: you have to start doing the thing before you can get better at doing the thing. Don't let the pursuit of a perfect habit stop you from starting a mediocre one.