I recommend Brian Tracy’s book ‘Crunch Point’.

I have read this book twice. It consists of 21 chapters and describes methods for dealing with difficult, crisis moments in the operation of a company. The advice contained in this book is also applicable to private life.

“Know your limitations and then ignore them.”

In John Mason's book "Know Your Limits - Then Ignore Them" there is the following paragraph on action, success and entrepreneurship: