Presenting only two options when many more exist.

We study the winners and forget the losers ever existed.

The first number you hear quietly shapes every number that follows.

The narrow range of ideas a society will currently accept.

The discomfort of holding two contradictory beliefs at the same time.

If something comes to mind easily, we assume it happens more often.

We like people more after doing them a favour — not the other way around.

When two explanations fit, the simpler one is usually right.

Ask not just what will happen — but what will happen because of what happens.

Attacking a distorted version of someone's argument rather than the real one.

Bad experiences stick harder and longer than equally good ones.

Different actors deserve to be judged on their own merits, not bundled together.