Dhammapada 5.2.p12

5.2.p12

‘‘So karassu ānubhāvaṃ, vītivattassu sīliyaṃ;
Sītavātaparittāṇaṃ, karassu kuṭavaṃ kapī’’ti. (jā. 1.4.83-84);

Monkey, exert yourself to the utmost, abandon your past habits.
Build yourself a hut to protect yourself from the cold and the wind.