
“Who is everywhere is nowhere. When a person spends all his time in foreign travel, he ends by having many acquaintances, but no friends.”
Nusquam est qui ubique est. Vitam in peregrinatione exigentibus hoc evenit, ut multa hospitia habeant, nullas amicitias.
Source: Epistulae Morales ad Lucilium (Moral Letters to Lucilius), Letter II: On discursiveness in reading, Line 2.