集合：记录量化

Welcome to the collection! This is your collection, your timeline, journey, and statistics.

The collection aims to cultivate good habits: record and quantify every day to design and optimize your machine.

In Ray Dalio's *Principles*, it is mentioned that the way you do things is called your machine and how to design and optimize your machine. Concepts such as the five-step process, spiral implementation, feedback loops, coaches, baseball cards, point collectors, as well as tools like issue logs, metrics, and checklists are used to ensure that the machine is operating as expected and then continuously optimized.

If you don't record, it doesn't happen. Recording is not only about documenting the present moment but also writing to yourself in the future. In the future, looking back, you will know what you have done and how you have spent your time. You can record your current thoughts, notes from books you've read, movies you've watched, places you've been, podcasts you've listened to, things you've bought, or even marathons you've run. Record whatever you want, and these records are your timeline.

Records can also be grouped into collections by theme, which are your journey, reading, movies, and travel. At the same time, the collection can be synced with Apple's Health, Calendar, and Photos to see your time management, sleep analysis, fitness training, travel maps, etc. during your journey.

If you can't quantify, you can't optimize. As the manager and designer of your machine, you not only need to understand the operation process of the machine but also continuously compare the goals and results, evaluate the operation of the machine, and determine how to improve your machine. Find the quantifiable parts of the solutions to achieve your goals, know how to operate and execute to see progress, and achieve your goals.

The collection app uses HealthKit to count and display data, such as showing today's heart rate with a line graph, counting the weekly running distance with a bar graph, and showing the progress of this year's target running volume with a fitness ring, etc.

The collection app itself does not upload and store data. All data is stored in the user's local iCloud.

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