Tayodhammasutta 4.1

4.1

Tayome, bhikkhave, dhamme appahāya abhabbo sakkāyadiṭṭhiṃ pahātuṃ vicikicchaṃ pahātuṃ sīlabbataparāmāsaṃ pahātuṃ.

Without giving up three things you can’t give up substantialist view, doubt, and misapprehension of precepts and observances.