If the heart wanders or is distracted, bring it back to the point quite gently -- and even if you do nothing during the whole of your prayer but bring your heart back, though it went away every time you brought it back, your time would be very well employed.
"What makes one wise?" asked the disciple.
"Wisdom," replied the Master.
"What is wisdom?" was retorted.
"It is simply the ability to recognize," said the Master.
"To recognize what?" the disciple asked.
"Spiritual wisdom," the Master answered, "is the power to recognize the butterfly in a caterpillar, the eagle in an egg, the saint in the sinner."
"Only a silent mind is capable of this recognizing power."
~ Raimon Panikkar in THE RHYTHM OF BEING, THE UNBROKEN TRINITY