The uncontrolled mind is like an enemy. But don't think of destroying it. When we teach it to love God, the mind becomes our best friend.
Arjun asked Shree Krishna in the Bhagavad Geeta, "How can I overcome my mind, which is obstinate and more restless than the wind?" Shree Krishna answered, "Arjun! Control of the mind is difficult, but not impossible. It can be accomplished by detachment and practice. Let us apply ourselves to practice, with dedication, sincerity, regularity and optimism. "Abhyas...abhyas...abhyas..." is an important word.