We cannot all do everything.
 
[Non omnia possumus omnes.]

Virgil (70-19 BC) Roman poet [b. Publius Vergilius Maro; also Vergil]

Eclogues [Eclogae, Bucolics, Pastorals], No. 8 “Pharmaceutria,” l. 63 (8.63) (42-38 BC) [tr. Mackail (1899)]
    (Source)

Invoking the Pierian Muses to finish the tale, after the singer has given the first half.

(Source (Latin)). Alternate translations:

All cannot all things do.
[tr. Ogilby (1649)]

We cannot all do all things.
[tr. Davidson (1854), Wilkins (1873), Greenough (1895), Day Lewis (1963), @sentantiq (2018)]

Scarce may all do everything.
[tr. Calverley (c. 1871)]

We are not equal all
To every theme.
[tr. Palmer (1883)]

All things are not possible to all.
[tr. Bryce (1897)]

We cannot all do everything.
[tr. Fairclough (Loeb) (1916)]

We are not all sufficient for all things.
[tr. Mackail/Cardew (1908)]

No single singer touches all the chords.
[tr. Williams (1915)]

We cannot all succeed in every task.
[tr. Rieu (1949)]

For none of us all is skilful in all things.
[tr. Johnson (1960)]

We are not all capable of all things.
[tr. Kline (2001)]