Manasara 30.51

30.51

yatra deśe tu sopānaṃ tatra doṣo na vidyate
pramukhe mukhasopānaṃ na kuryācchilpivittamaḥ

in whatever place a staircase is [built], there is no fault in that. / The best of artisan-architects should not construct a staircase directly in the front facade;