‘And is it not also a consequence of Darwin’s theory that we are part of something all-encompassing, in which every tiny life form has its significance in the big picture? We are the living planet, Sophie! We are the great vessel sailing around a burning sun in the universe. But each and every one of us is also a ship sailing through life with a cargo of genes. When we have carried this cargo safely to the next harbor – we have not lived in vain.