The science of life; that branch of knowledge which treats of living matter as distinct from matter which is not living; the study of living tissue. It has to do with the origin, structure, development, function, and distribution of animals and plants.
You can't even begin to understand biology, you can't understand life, unless you understand what it's all there for, how it arose - and that means evolution. Richard Dawkins
Biology is the study of complicated things that have the appearance of having been designed with a purpose. Richard Dawkins
In my school, the brightest boys did math and physics, the less bright did physics and chemistry, and the least bright did biology. I wanted to do math and physics, but my father made me do chemistry because he thought there would be no jobs for mathematicians. Stephen Hawking
Evolution is the fundamental idea in all of life science - in all of biology. Bill Nye
Biology is a software process. Our bodies are made up of trillions of cells, each governed by this process. You and I are walking around with outdated software running in our bodies, which evolved in a very different era. Ray Kurzweil