Charak Samhita
लाघवं कर्मसामर्थ्यं स्थैर्यं दुःखसहिष्णुता । दोषक्षयोऽग्निवृद्धिश्च व्यायामादुपजायते ॥३२॥
[Benefits of vyayama (exercise) and harmful effects of excess exercise] Lightness, strength to work, stability, endurance towards distress and mitigation of dosha (especially kapha), and stimulation of agni (digestive power) is engendered by physical exercise.
english translation
lAghavaM karmasAmarthyaM sthairyaM duHkhasahiSNutA । doSakSayo'gnivRddhizca vyAyAmAdupajAyate ॥32॥
hk transliteration by Sanscript