Don't wait until everything is just right. It will never be perfect. There will always be challenges, obstacles and less than perfect conditions. So what. Get started now. With each step you take, you will grow stronger and stronger, more and more skilled, more and more self-confident and more and more successful.

The worst evils in history have always been committed by those who truly believed they were combating evil. Beware of combating evil.

The boundary of technology lies in human imagination.