CC Antya 6.235

tathāpi āmāra ājñāya śraddhā yadi haya
āmāra ei vākye tabe kariha niścaya
Word for word: 
tathāpi — still; āmāra ājñāya — in My instruction; śraddhā — faith; yadi — if; haya — there is; āmāra — My; ei — these; vākye — by words; tabe — then; kariha niścaya — you can ascertain.
Translation: 
“Nevertheless, if you want to take instructions from Me with faith and love, you may ascertain your duties from the following words.