Where there are signs to trouble, there usually is trouble.

Worthwhile endeavors require time and work.

The most difficult aspect of an endeavor is getting started.

Being warned ahead of time helps you to prepare better.

It is best not to overthink a situation before taking action.

Persevere to achieve your goals.

Innovations are created by those who face difficulties and must find ways to overcome them.

Accomplishments require effort and sacrifice.

You can't achieve anything if you don't invest effort in it and/or are willing to face certain risks.

Skills are developed through repetitive training and/or several attempts.