Ca, Sū., 15, 5.1 tamuvāca bhagavānātreyaḥ śakyaṃ tathā pratividhātum asmābhir asmadvidhair vāpyagniveśa yathā prativihite sidhyedevauṣadhamekāntena tacca prayogasauṣṭhavamupadeṣṭuṃ yathāvat nahi kaścidasti ya etadevamupadiṣṭamupadhārayitumutsaheta upadhārya vā tathā pratipattuṃ prayoktuṃ vā sūkṣmāṇi hi doṣabheṣajadeśakālabalaśarīrāhārasātmyasattvaprakṛtivayasām avasthāntarāṇi yānyanucintyamānāni vimalavipulabuddherapi buddhimākulīkuryuḥ kiṃ punaralpabuddheḥ tasmādubhayametadyathāvadupadekṣyāmaḥ samyakprayogaṃ cauṣadhānāṃ vyāpannānāṃ ca vyāpatsādhanāni siddhiṣūttarakālam //

Ca, Vim., 8, 141.1 saindhavasauvarcalakālaviḍapākyānūpakūpyavālukailamaulakasāmudraromakaudbhidauṣarapāṭeyakapāṃśujānyevaṃprakārāṇi cānyāni lavaṇavargaparisaṃkhyātāni etānyamlopahitānyuṣṇodakopahitāni vā snehavanti sukhoṣṇaṃ bastiṃ vātavikāriṇe vidhijño vidhivaddadyāt /

Ca, Śār., 6, 28.8 yasya ceṣṭaṃ yo yadā mriyate sa tasya mṛtyukāla iti tasya sarve bhāvā yathāsvaṃ niyatakālā bhaviṣyanti tacca nopapadyate pratyakṣaṃ hyakālāhāravacanakarmaṇāṃ phalamaniṣṭaṃ viparyaye ceṣṭaṃ pratyakṣataścopalabhyate khalu kālākālavyaktistāsu tāsvavasthāsu taṃ tamartham abhisamīkṣya tadyathā kālo'yamasya vyādherāhārasyauṣadhasya pratikarmaṇo visargasya akālo veti /