राजसूयाश्वमेधाद्यैरिष्ट्वा यज्ञशतैरपि ।महाकल्पान्तमप्यंशं स्वर्गं प्राप्नोति नाधिकम्
In plain words
Even sacrificing with hundreds of sacrifices, beginning with the Rājasūya and the Aśvamedha, one gains heaven only for a portion, even up to the end of a great kalpa—and no more.