Your baptism symbolizes your dedication. It is a solemn promise that you made to Jehovah to love him and to put his will above everything else.
وَكَثِيرُونَ مِنْهُمْ فِي عُمْرِ ٱلْمُرَاهَقَةِ أَوْ أَصْغَرُ أَيْضًا ،‏ وَرُبَّمَا تَرَبَّوْا فِي ٱلْحَقِّ .‏