Jataka Tattva 14.13

धर्मपे खपदृष्टे केन्द्रकोणे दानप्राप्तिः ।

Say the 10th lord looks at the 9th lord. Say the 9th lord is in a kendra (corner house) or a trikona (luck house). Then the person receives gifts.

धर्मेशे सशुभे शुभांशे धर्मे दृढबुद्धिः ।

Say the 9th lord is joined by a good planet. Say it is in a good navamsha (one-ninth part of a sign). Then the person is firm in mind about religion.

धर्मपे वैशेषिके धर्मे दृढबुद्धिः ।

Say the 9th lord is in a vaisheshika amsha (a good rank of strength). Then the person is firm in mind about religion.