I have always, in spite of our difference of viewpoint, been respectful of you and what you believe.

Caringheart,
Baptism as it is known to Christians is new to a Muslim like myself.
So it will be fair to first understand the term and then answer it.
I took this brief description of what you probably mean when you use the term "Baptism" and if the Muslims do the same.
Let us look at it:
"Christian denominations differ widely on their teachings about baptism. Some believe baptism accomplishes the washing away of sin. Others consider baptism a form of exorcism from evil spirits. Still others teach that baptism is an important step of obedience in the believer’s life, yet only an acknowledgment of the salvation experience already accomplished - baptism itself has no power to cleanse or save from sin. The following takes a look at the latter perspective called "Believer's Baptism:"
Answer: A general definition for the word baptism is “a rite of washing with water as a sign of religious purification and consecration.” This rite was practiced frequently in the Old Testament. It signified purity or cleansing from sin and devotion to God. Since baptism was first instituted in the Old Testament many have practiced it as a tradition yet have not fully understood its significance and meaning."
If you would like to add anything missing here, please   go ahead.

Based on what I read above of baptism, no. We Muslims do not have a physical activity described above.

There are some practices in Muslims that you might think serve a similar purpose though. For example, when a baby is born to Muslim parents, Adhan(the call for prayer)is called. So the first words he/she hears at birth is the call to worship Allah, the Creator of all.
Here are the words of Adhan:

Recital     Arabic     Transliteration     Translation
4x     الله أكبر     Allahu Akbar     God3 is [the] great
2x     أشهد أن لا اله إلا الله     Ash-hadu an-la ilaha illa llah     I bear witness that there is no deity except God.
2x     أشهد أن محمدا رسول الله     Ash-hadu anna Muħammadan-Rasulullah     I bear witness that Muhammad is the Messenger of God.
2x     حي على الصلاة     Hayya 'ala s-salah     Come to prayer ('salat').
2x     حي على الفلاح     Hayya 'ala 'l-falah     Come to success.
2x     الله أكبر     Allāhu akbar     God is greatest.
1x     لا إله إلا الله     La ilaha illa-Allah     There is no deity except God.

By the age of responsibility, a Muslim must have the knowledge of his/her responsibilities and obligations toward his maker, Allah Almighty and toward what is Created.
The Shahadah, or declaration of faith is the first pillar of Islam. Shahadah professed by a Muslim often, and a Muslim's life should reflect it through action, living by God's Will.
Here is how Shahadah is said:
لا إله إلا الله محمد رسول الله (lā ʾilāha ʾillà l-Lāh, Muḥammadun rasūlu l-Lāh) (in Arabic)
There is no god but God, Muhammad is the messenger of God. (in English)


About Pride:
Pride is against Islamic teachings and must be rejected by its followers. There are many stories and verses in Quran that have a lesson against pride and arrogance.

11:10Yusuf Ali
"But if We give him a taste of (Our) favours after adversity hath touched him, he is sure to say, "All evil has departed from me:" Behold! he falls into exultation and pride".
31:18 "Yusuf Ali
"And swell not thy cheek (for pride) at men, nor walk in insolence through the earth; for Allah loveth not any arrogant boaster."

32:15 "Yusuf Ali
Only those believe in Our Signs, who, when they are recited to them, fall down in prostration, and celebrate the praises of their Lord, nor are they (ever) puffed up with pride".
I hope this answers your questions.
Hasan


Edited by honeto - 06 August 2012 at 1:23pm