We never get to the end of the Bible. It is as wise in its reservations as in its revelations. Enough is reserved to give faith scope for development. Everything needful to salvation and godliness is written with such clarity that all the simple-hearted may understand; but there are other matters which, with wise divine purpose, are presented less lucidly, or even enigmatically, so as to challenge enquiry — matters fascinating, mysterious, or more intricate, but all yielding rich and sanctifying reward to devout exploration.
The Origin of the Organic World – Part One