A guiding principle is in essence a road map as to how you$/$your company wants to accomplish goals. Individuals as well as companies define their guiding principles. If your personal goal is to be in a position where you can financially support your family, you can also determine how you intend on accomplishing that goal, your guiding principles. Below are examples of Guiding Principles except one $-$ pick it$.$

a$)$ 

I will be in a position to financially support my family by getting a great education, from there I will get a good job and then I will be financially secure$.$

b$)$ 

I will be in a position to financially support my family if I focus my energies on finding a rich partner. If I marry well, then I will be financially secure$.$

c$)$ 

I will be in a position to financially support my family by working harder and smarter than anyone one else in the company that employs me$.$  I'll get promoted and then I will be financially secure

d$)$ 

Actually, all of the above can be considered an example of guiding principle.