Vasiṣṭha's teaching (Mahārāmāyaṇa) 6.28.45

6.28.45

saṃsārasaraṇisthityāṃ kasmātko'tra vibheti kim .
sa eva kiṃcitsaṃśodhyaḥ śuddhyā vimalatāṃ gate .. 45

45. [Sanskrit available] He that has stood in the path of this world, needs not fear for any thing in it, and he that is afraid of it for fear of falling into its errors, should learn to purify his understanding from all its dross and impurity. (Stretch your mind, and the world will appear to light, curb it in yourself and every thing will disappear from view).