"[H]ighly favorable to the development of a systematic natural science... first and foremost, the Stoics believed in 'determinism'... nothing willful... everything... according to law. The secret of human life was to fathom the general character of this universal order and to live in harmony with it. ...[A]strological divination... was justified by appealing to the harmony and interaction between celestial and terrestrial events. ...Greek atomists implied [that] atoms... by chance, happened to stay interlocked [in human bodies] for... seventy years... [T]he Stoics... preferred to start at... organized systems [having] 'integral properties'... not derived from the... parts. ...'This ...we call the '... a continuous dynamic agency... maintaining... cohesion... As we tighten a drum-head, the sound... rises in pitch. ...Now tension is not an additional ingredient... it is a state... The pneuma... exists in various... states of tension or 'tones'... In some respects... an extension of the Pythagorean theory of musical harmonies. ...Several kinds of pneuma existed... The 'cohesive...' responsible for the unity of a body, and for the fixed pattern of properties... the 'vital...' gave it animation; while... 'rational...' was only present in... thinking beings."