• The record of the rocks contains very little, other than bacteria and one-celled plants until, about a billion years ago, after some three billion years of invisible progress, a major breakthrough occurred. The first many-celled creatures appeared on earth.

    "The Enchanted Loom: Mind in the Universe (Letting the Fossil Record Speak; Life - How Did It Get Here? By Evolution or by Creation?)". Book by Robert Jastrow (p. 23), 1981.