bddhist Morning Thoguht #15, Faith

What is most important is that, by chanting Nam-myoho-renge-kyo alone, you can attain Buddhahood. It will no doubt depend on the strength of your faith. To have faith is the basis of Buddhism. 

WND-1 pg 832.

Buddhist Morning Thought #40, Enlightenment

 This teaching was not propagated in the Former or Middle Day of the Law because the other sutras had not yet lost their power of benefit. ...