Nullius in Verba: the principle behind our name

Nullius in verba. Take nobody's word for it.

It's the motto of the Royal Society, adopted in 1660, and it was a radical idea at the time: don't accept a claim because an authority made it. Test it. Show the evidence. Let the result speak.

That sentence is also the cleanest definition of good engineering we know, which is why it's the name of this company.

The gap between "it works" and "we proved it works"

In software, the most dangerous phrase is "it should be fine." It should be fine that the payment flow handles that edge case. It should be fine that the model generalises. It should be fine after the refactor.

*Should* is a word we use when we haven't checked.

QA automation, data science, and solid engineering are all, at their core, the same discipline: replacing "it should be fine" with evidence. A passing test suite is evidence. A held-out validation score is evidence. A monitored production metric is evidence. Everything else is a hopeful guess wearing a confident voice.

Why this matters for the work

When you take nobody's word for it, a few things follow naturally:

• You test the claim, not the intention. It doesn't matter that the code was meant to handle a case. It matters whether it does.
• You measure outcomes, not effort. A model isn't good because it was hard to build. It's good if it performs on data it hasn't seen.
• You distrust your own confidence most of all. The claim you're least likely to check is your own, which is exactly why it needs checking.

Evidence over promises

This is why every claim on this site comes with a number. A 95% reduction in manual regression. An 80% drop in production defects. A 3rd-place finish out of 251 in a national ML challenge. Not because numbers are impressive, but because a claim without evidence is just marketing, and marketing is precisely what *nullius in verba* was invented to cut through.

If we tell you automation will save you money, don't take our word for it. Ask for the maths. If we tell you a model works, ask to see it perform on data it hasn't seen. That's not scepticism getting in the way of the work. That *is* the work.

The standard

Nullius Technologies is built on one commitment: we don't take anyone's word for it, and we don't ask you to take ours. We prove it. Then we show you the proof.

A 360-year-old motto turned out to be the right one.