tathā hi yadi nāma kecid upacitaśleṣmavapuṣo hastamātravyomotplavanāsamarthāḥ paścādabhyāsakrameṇa samāsāditagātralāghavaṃ daśahastāntaragaganavilaṅghino jātāḥ, tathāpi na te yojanam ekam api khagapathamutpatituṃ samarthāḥ prayatnaśatenāpi bhavanti //
Thus indeed, even if some people with phlegmatic bodies, [initially] capable of jumping one hasta into the sky, later through gradual practice attain lightness of body and become capable of leaping ten hastas into the sky, even then they cannot, with hundreds of attempts, fly upward [even] one yojana in the path of birds.