- What gets us into trouble is not what we don't know. It's what we know for sure that just ain't so.
- The formula for complete happiness is to be very busy with the unimportant.
- True friends are hard to find, difficult to leave, and impossible to forget.
- Everything has a limit.
- In the end, what we regret most are the chances we never took.
- Thinking will not overcome fear but action will.