5D Strange fire is fire of the self; it is fire that issues from the soulish life, the fleshly life, and the natural life (Matt. 16:24-26; 1 Cor. 2:14):
61 凡火就是己的生命干涉神的工作。
61 Strange fire means that the self-life interferes with the works of God.
72 工作虽然是神的,可是己的生命要主张这些工作应当怎样作。
72 Although the works are God's, the self-life wants to dictate the way that the works are carried out.
83 献凡火,就是在对神的事奉上用己的方法,借着己的智慧,贯彻己的主张。
83 Offering up strange fire is employing the self's methods and wisdom and insisting on the self's proposals in the service of God.
9E Nadab and Abihu were judged not because they did something that was not for God but because they acted according to the natural life and did something for God in a natural way (Lev. 10:1-2).
11G This is a strong warning showing us that, in touching the divine things, we need to apply the cross to our natural life; otherwise, we will suffer spiritual death.