But how shall they preach, unless they be sent — Thus by a chain of reasoning, from God's will that the gentiles also should "call upon him," St. Paul infers that the apostles were sent by God to preach to the gentiles also. The feet — Their very footsteps; their coming. Isaiah 52:7.
Related Commentaries of Romans 10:15
Romans 10:15
15 And how shall they preach, except they be sent? as it is written, How beautiful are the feet of them that preach the gospel of peace, and bring glad tidings of good things!