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VOLUME VIII · A NEW CHAPTER · TEMPO · NO. 96 · FAST AND SLOW, EACH IN ITS PLACE

Fast in Delivery, Slow in Choosing

Speed is saved, not ground out; and it can be saved because we were slow first.

Zhang Jiakang (JK) · Founding Partner, Glacier Capitalapprox. 578 words · 3 min readArchived 2026-08-16

Founders often ask us: is one quarter doing the work of a year just a matter of overtime?

No. Let me state the view up front: speed is saved, not ground out; and it can be saved because we were slow first. Why? Three layers below.

Fast in Delivery — Fast at the Part That Repeats

First, why speed is necessary. Internet channels had to be laid inch by inch. AI distribution channels are already there, and once a good thing appears it covers the ground in months. When things spread faster, the same milestones have to be reached in a shorter cycle. Being a quarter slow costs more than a quarter.

Second, where the speed comes from. A quarter at Glacier Capital is a year — the stress in that sentence falls on "the same milestones". A playbook is the unknowns of the first time written down as the steps of the second, written so that anyone can follow them: where the existing shareholders hesitate, which clause gets stuck, when the psychological turning point arrives. The goal of the first mandate is not to earn the most; it is to walk the road end to end. On the first mandate you can give ground, but you cannot skip a step. Walk it whole and the second mandate turns from scouting into execution. Speed is compounding, not sprinting.

Slow in Choosing — Slow at the Part That Should Not Be Done

A general on the march does not chase rabbits. There are many rabbits, each of them real, each with a return you can calculate — which makes them more persuasive than the larger goal. But a general who chases rabbits never reaches the place he was meant to reach. What restraint does is swap the test from "can this be pulled off" to "is this on the main line", using a higher bar to keep out a great many things that are correct but irrelevant. It is a ruler, not an attitude. Point the wrong way and the faster you go the further off you are.

How slow? Slow enough that a year converges on one or two first priorities. Thinking those one or two through is worth a long holiday: the whole year of hiring, taking mandates and scheduling that follows will not have to be redone. Slow first is fast. Slow at thinking it through, fast at not going over it again.

Restraint Has to Be Held Up by the Organisation

Third, both fast and slow have a ceiling. This one is a hard boundary: no two consecutive quarters at full load. The first quarter runs on drive, the second on overdraft, the third on repayment. What gets overdrawn first is judgement, patience and relationships — and those three are the capital this business runs on. Capping capacity is not tending to feelings; it is protecting judgement. When the window has not come we can sit on the bench; when it comes, the supplies are there to move with it. In the end it is arithmetic, not a mood.

So fast and slow have to come in pairs. Fast without slow is busywork; slow without fast is talk. Both halves are right, and neither holds up alone. Together they make one word: restraint.

And what holds restraint up? The organisation. We write the boundaries down as prohibitions and collect them in a subtract-only list that everyone rereads at every review — methods can iterate, boundaries only grow. Next piece: the organisation.

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