ænd ˈɔːl ɛkstˈɛnsɪv kwˈɔntᵻɾiz pˈɑːɹɾɪkəl nˈʌmbɚ, ˈɛnɚdʒi, ˈɛntɹəpi, pətˈɛnʃəlz, ...mˈʌst ɡɹˈoʊ lˈɪnɪɹli wɪð vˈɑːljuːm, ˈiː.dʒˈiː.
and all extensive quantities (particle number, energy, entropy, potentials, ...) must grow linearly with volume, e.g.