Meditations III.13

Just as physicians always keep their lancets and instruments ready to their hands for emergency operations, so also do thou keep thine axioms ready for the diagnosis of things human and divine, and for the performing of every act, even the pettiest, with the fullest consciousness of the mutual ties between these two.³⁰ For thou shalt never carry out well any human duty unless thou correlate it to the divine, nor the reverse.

• 30.That is, the human and the divine.