(1) Ockham's Razor

• Simplest explanation is most likely the correct one

(2) Hanlon's Razor

• Don't attribute to malice that which could be attributed to carelessness

(3) Tyranny of small decisions

• Individual rational decisions can create system wide negative consequences

(4) Goodhart's Law

• Once a measure comes a target, it ceases to be a good measure

(5) Observer effect

• Mere presence of an observer changes behavior

(6) Cobra effect

• Solution to the problem makes the problem more acute

(7) Paradox of choice

• Wealth of options creates anxiety

(8) Sayers Law

• Intensity of emotion in a discussion is inversely proportional to the importance of decision

(9) Hofstadter law

• Always takes longer than expected even when you account for Hofstadter law

(10) Parkinson Law