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Synthesist in the Shell — A blog by Linghao Zhang

A Taxonomy Is a Theory of What Differences Matter Evolving Memory Systems: An Eval-First Approach Memory Systems Are Evolved, Not Designed Code as Config: The Start of Software Speciation The Bespoke Flywheel The Negative Space of AI Memory My 2025 Games of the Year My 2025 Games of the Year Why You Should Probably Work on AI Engineering AI Assisted System Design Interview Prep Hotel California Hotel California How To Be Great 101 Lessons Learned Building LLM Applications Why is ML Runtime Infra So Hard Naming Matters: DRI vs. Owner in Software Projects Becoming a Staff Engineer Demystifying TLMs Learnings as a Tech Lead Notes: Staff Engineer Self Awareness with Tools Editing Technical Direction Superficial Similarity Grow @ Google 03: 文档意识与培养新人 我的时间管理系统 Notes: A Philosophy of Software Design 「程序员」和「软件工程师」是一回事吗? Grow @ Google 02: 「能用就行」还远远不够 Excerpts from Permanent Records David Perell 关于在线写作的建议
Rethinking Pessimism
2022-07-13 · via Synthesist in the Shell — A blog by Linghao Zhang

I used to be, and still am to a large extent, a pessimist. Over the years pessimism affected my worldview and guided my actions. In the past few years though, I've changed quite a bit toward optimism. But it was not until recently I start to reflect on those changes, absorb alternative opinions, and philosophize on the nuances of being pessimistic about different things.

Like many people frustrated by how history repeats itself again and again, I also believed that humanity is doomed. There are simply too many challenges to solve while we can't help hurting each other. My mind started to change after I listened to Naval's podcast about The Beginning of Infinity (book by David Deutsch). One main theme is that knowledge is infinite, humans are unique in our capability to understand things, and how pessimism is an easy trap to fall into when considering where the future of humanity holds:

If you could predict it, you would have invented it already. A lot of our deeply pessimistic world views come from a straight-line linear extrapolation of negative trends while ignoring positive trends. Positive trends mostly come through creativity and knowledge creation, and it's inherently unpredictable.

On another front, I'm what some rightfully call a productivity geek. I use everything from Getting Things Done systems to Time Management techniques to work toward achieving personal goals. Because I fear that I won't be able to succeed otherwise, as anything could go wrong. The other day I read The Imperfectionist: It's worse than you think, which made me think that maybe I'm not pessimistic enough:

... you feel overwhelmed by an extremely long to-do list. But it's worse than you think! You think the problem is that you have a huge number of tasks to complete, and insufficient time, and that your only hope is to summon unprecedented reserves of self-discipline, manage your time incredibly well, and somehow power through. Whereas in fact the incoming supply of possible tasks is effectively infinite (and, indeed, your efforts to get through them actually generate more things to do). Getting on top of it all seems like it would be really hard. But it isn't. It's impossible.

Perhaps it's time to rethink long and hard.