Arise, and be baptized - Take now the profession of Christ's faith most solemnly upon thee, by being baptized in the name of Father, Son, and Holy Spirit.

Wash away thy sins, etc. - Let this washing of thy body represent to thee the washing away of thy sins: and know that this washing away of sin can be received only by invoking the name of the Lord.

why.

Psalm 119:60 I made haste, and delayed not to keep your commandments.

Jeremiah 8:14 Why do we sit still? assemble yourselves, and let us enter into the defended cities, and let us be silent there...

arise.

Acts 2:38 Then Peter said to them, Repent, and be baptized every one of you in the name of Jesus Christ for the remission of sins...

Romans 6:3,4 Know you not, that so many of us as were baptized into Jesus Christ were baptized into his death...

1 Corinthians 6:11 And such were some of you: but you are washed, but you are sanctified, but you are justified in the name of the Lord Jesus...

1 Corinthians 12:13 For by one Spirit are we all baptized into one body, whether we be Jews or Gentiles, whether we be bond or free...

Galatians 3:27 For as many of you as have been baptized into Christ have put on Christ.

Titus 3:5 Not by works of righteousness which we have done, but according to his mercy he saved us, by the washing of regeneration...

Hebrews 10:22 Let us draw near with a true heart in full assurance of faith, having our hearts sprinkled from an evil conscience...

1 Peter 3:21 The like figure whereunto even baptism does also now save us (not the putting away of the filth of the flesh...

calling.

Acts 2:21 And it shall come to pass, that whoever shall call on the name of the Lord shall be saved.

Acts 9:14 And here he has authority from the chief priests to bind all that call on your name.

Romans 10:12-14 For there is no difference between the Jew and the Greek: for the same Lord over all is rich to all that call on him...

1 Corinthians 1:2 To the church of God which is at Corinth, to them that are sanctified in Christ Jesus, called to be saints...

Some Scriptures for Daily Practise.
If we seek God earnestly in the prayer of faith to help us in our daily practise of the following Scriptural texts and then put forth our best efforts, we shall find life daily growing more holy and beautiful. The beauty and enjoyment of a holy life is that it can always be improved upon. We can live in all the light that shines upon us from these texts today, but tomorrow we find them shining a little brighter and fuller light, so that we shall have to live a little more holy than we are living …
C. E. Orr—How to Live a Holy Life

Divine Calls.
"And the Lord came, and stood, and called as at other times, Samuel; Samuel. Then Samuel answered, Speak; for Thy servant heareth."--1 Samuel iii. 10. In the narrative of which these words form part, we have a remarkable instance of a Divine call, and the manner in which it is our duty to meet it. Samuel was from a child brought to the house of the Lord; and in due time he was called to a sacred office, and made a prophet. He was called, and he forthwith answered the call. God said, "Samuel, …
John Henry Newman—Parochial and Plain Sermons, Vol. VIII

Baptism, a Divinely Appointed Means of Grace.
When we inquire into the benefits and blessings which the Word of God connects with baptism, we must be careful to obtain the true sense and necessary meaning of its declarations. It is not enough to pick out an isolated passage or two, give them a sense of our own, and forthwith build on them a theory or doctrine. In this way the Holy Scriptures have been made to teach and support the gravest errors and most dangerous heresies. In this way, many persons "wrest the Scriptures to their own destruction." …
G. H. Gerberding—The Way of Salvation in the Lutheran Church