It is best to wait until you know who you are, what your likes and dislikes are, and what goals you wish to pursue.
فمن الافضل ان تنتظروا حتى تعرفوا انفسكم جيدا ،‏ ما تحبونه وما تكرهونه ،‏ وأية اهداف تودّون بلوغها .‏