Yoga Sūtra Chapter Three verse 26

भुवज्ञानं सूर्ये संयमात् ॥२६॥

bhuvana-jñānaṃ sūrye saṃyamāt ||26||

Complete restraint on the sun, knowledge of the world.

bhuvana - worldjñāna - knowing; knowledge; higher knowledgesūrya - sunsaṃyama - complete restraint