Tobit 8:7

7 And now, O Lord, I am not taking this sister of mine because of lust, but with sincerity. Grant that I may find mercy and may grow old together with her."

Tobit 8:7 In-Context

5 And Tobias began to pray, "Blessed art thou, O God of our fathers, and blessed be thy holy and glorious name for ever. Let the heavens and all thy creatures bless thee.
6 Thou madest Adam and gavest him Eve his wife as a helper and support. From them the race of mankind has sprung. Thou didst say, `It is not good that the man should be alone; let us make a helper for him like himself.'
7 And now, O Lord, I am not taking this sister of mine because of lust, but with sincerity. Grant that I may find mercy and may grow old together with her."
8 And she said with him, "Amen."
9 Then they both went to sleep for the night. But Raguel arose and went and dug a grave,
Revised Standard Version of the Bible, copyright 1952 [2nd edition, 1971] by the Division of Christian Education of the National Council of the Churches of Christ in the United States of America. Used by permission. All rights reserved.