'Get involved with hiring for your team and company, and maintain a high bar for hiring quality candidates.' Posts derailing this 'high bar' are posted semi-daily to Hacker News, no? It's a really big dilemma (extensive hiring process that weeds out good candidates due to time and frustration or take risks) and it makes it sound like it's just something, you can, you know, do on a Tuesday in your spare time, and then…
The "high" in high bar is not a particular useful measurement. What is high? Unless you've defined what that means, and everyone involved understands and agrees what that means, it's just a word. What you can say is "we need someone who knows the internals of tool X, and we measure it via Y". Basically, avoid using adjectives to measure things (e.g. say 1 liter glass, don't say big glass).
"Make everything as simple as possible but no simpler." All well and good if your requirements are written in formal logic or if there is only a single axis along which complexity can be measured.
"Hire only the best." What if the best only want to work with the best pay and the most interesting work? But "hire only the best of the very few who are willing to work on your projects for the kind of pay you're willing to offer, who will consider it a blessing that they were hired at 20% above your minimum starting salary with no other career avenues than management, and who are naive enough to think of options as valuable rather than lottery tickets" isn't quite as snappy or happy.
"Don't be evil." And since you have that slogan anything you do is by circular logic not evil. Handy.