Richard Dawkins

Living organisms had existed on earth, without ever knowing why,

who first put together a coherent and tenable account of why we exist.

consequences of the evolution theory for a particular issue.

the biology of selfishness and altruism

the good of the individual (or the gene)

nature red in tooth and claw

‘nature red in tooth and claw’ sums up our modern understanding of natural selection

you can make some inferences about a man's character if you know something about the conditions in which he has survived and prospered.

we, and all other animals, are machines created by our genes

a predominant quality to be expected in a successful gene is ruthless selfishness