It's always too early to quit.
By failing to prepare, you are preparing to fail.
Who seeks shall find.
Either you run the day or the day runs you.
Quality is not an act, it is a habit.
If you can dream it, you can do it.
To know oneself, one should assert oneself.
Do not weep do not wax indignant. Understand.
Things do not happen. Things are made to happen.
Expect problems and eat them for breakfast.
The best museums and museum exhibits about science or technology give you the feeling that, hey, this is interesting, but maybe I could do something here, too.