एवम् in this way, अहम् I, त्वया सह with you, वर्षसहस्राणाम् a thousand years, शतं वापि or even a hundred thousand years (of living with you), व्यतिक्रमम् bassing of time, न वेत्स्यामि I shall not feel, मे to me, स्वर्ग: अपि even heaven, न मतः हि is not desirable.

Thus living in your company for a thousand years or even a hundred thousand years, I shall not feel the passing of time. I shall not desire even heaven.