My foundation is so important? In being questioned about why we started with who is God and what does he want, and is Jesus God, we begin to look at the prophecies and the character and nature of God and Jesus to establish a foundation, for it the foundation is wrong or improper than everything else built on that foundation will be wrong. So we must start with a proper foundation in order to have a proper relationship with God the father through Christ the son so foundation is vital and important.