I then began to consider that Vrndavana is a very solitary place. It is invincible and very difficult to attain. I therefore decided to go there alone or, at the utmost, with only one person

Expressions researched:
"I then began to consider that Vṛndāvana is a very solitary place. It is invincible and very difficult to attain. I therefore decided to go there alone or, at the utmost, with only one person"

Sri Caitanya-caritamrta

CC Madhya-lila

"I then began to consider that Vṛndāvana is a very solitary place. It is invincible and very difficult to attain. I therefore decided to go there alone or, at the utmost, with only one person."

CC Madhya 16.270, Translation

"I then began to consider that Vṛndāvana is a very solitary place. It is invincible and very difficult to attain. I therefore decided to go there alone or, at the utmost, with only one person."