Et in Arcadia ego.

Pallida mors aequo pulsat pede pauperum tabernas regumque turris. Pale death knocks with equal foot on the houses of the poor and the palaces of the rich. Horace, Odes, 1.4.13-14.

I am in blood
Stepp'd in so far, that, should I wade no more,
Returning were as tedious as go o'er.