Without Desire the Brahmanas would never give either sweets or riches to Brahmanas. Without Desire the various kinds of action which are seen in the world would never have been seen. For these reasons, Desire is the foremost of the three objects.
नाकामतो नाकामतो ददति ब्राह्मणेभ्यः। नाकामतो विविधा लोकचेष्टा तस्मात्कामः प्राक् त्रिवर्गस्य दृष्टः॥