Ramayana
ममापि परमा प्रीतिर्हृदि शत्रुघ्न वर्तते । उपाघ्रास्यामि ते मूर्ध्नि स्नेहस्यैषा परा गतिः ॥ 7-71-12 ॥
In my heart too, Shatrughna, there abides the highest joy; I shall kiss you upon the head, for this is the supreme expression of affection."
english translation