Matthew 7:14

Τί στενὴ ἡ πύλη· καὶ τεθλιμμένη ἡ ὁδὸς ἡ ἀπάγουσα εἰς τὴν ζωήν· καὶ ὀλίγοι εἰσὶν οἱ εὑρίσκοντες αὐτήν.

How narrow is the gate and narrower is the way that leads to life, and very few are those who find it!