Ashtangasamgraha 1.40

1.40

kālārthakarmaṇāṃ yogo hīnamithyātimātrakaḥ |

samyagyogaśca vijñeyo rogārogyaikakāraṇam ||

dhruvaṃ garbhaṃ tathā bījaṃ kṣetraṃ bījamupaskṛtam ||

ūrdhvaṃ pravṛtte rakte ca peyāṃ necchanti teṣu tu ||

dhārayeddaśa caindryādīñjīvakarṣabhakāvapi ||

Deficient, erroneous, and excessive conjunction of time, sense objects, and action,
as well as their proper conjunction, should be known as the sole causes of disease and health.
Verily the embryo, and the seed, the field, and the purified seed.
When blood has flowed upward, they do not prescribe gruel in those cases;
and one should wear the ten [herbs] beginning with aindrī, as well as jīvaka and ṛṣabhaka.