Don't undertake a project unless it is manifestly important and nearly impossible.
Do not do anything that anyone else can do readily.
An invention that is quickly accepted will turn out to be a rather trivial alteration of something that has already existed.
The most important thing about power is to make sure you don't have to use it.
Any problem can be solved using the materials in the room.
If you are able to state a problem - any problem - and if it is important enough, then the problem can be solved.