Those who prefer swimming out of their depth may speculate upon first causes and on what happens after death. But the biologist, whose business is the difficult task of understanding life, must be careful to undertake a much less ambitious and precarious task.


An Introduction to a Biology, Appendix to an Introduction to Biology (p. 105)


Those who prefer swimming out of their depth may speculate upon first causes and on what happens after death. But the biologist, whose business is...

Those who prefer swimming out of their depth may speculate upon first causes and on what happens after death. But the biologist, whose business is...

Those who prefer swimming out of their depth may speculate upon first causes and on what happens after death. But the biologist, whose business is...

Those who prefer swimming out of their depth may speculate upon first causes and on what happens after death. But the biologist, whose business is...