Brahma Sutras
ॐ अन्तरा चापि तु तद्दृष्टेः ॐ ॥ ३-४-३६॥
As a matter of fact, a person standing in between two stages is also entitled, such cases being met with (in the Upanishads).
english translation
OM antarA cApi tu taddRSTeH OM ॥ 3-4-36॥
hk transliteration by Sanscript