No sorrow is the reason for my tears, a sweet memory has just come to mind.

These lines beautifully express a profound emotion. The speaker clarifies that their tears are not born from sadness or pain. Instead, they are the sweet overflow of a cherished memory. It's a reminder that sometimes, the most joyful or loving moments from our past can bring tears to our eyes, not because we miss them with sorrow, but because their beauty and sweetness are so overwhelming. It's the warmth of a happy recollection that melts the heart and brings forth these gentle, reminiscent tears.