The fire shall be burning continually upon the altar; it shall not go out.
The fire shall ever be burning upon the altar; it shall never go out.
Fire shall be kept burning upon the altar continually; it shall not go out.
A continuous fire must be kept burning on the altar; it must not go out.
This is the perpetual fire which shall never fail upon the altar.
This is the perpetual fire which shall never go out on the altar.
