Cf. Ital.
che sarà sarà
, what will be, will be (this English form is also used).
c
1386
Knight's Tale
l. 1466
Whan a thyng is shapen, it shal be.
1519
Vulgaria
20
V
That the whiche muste be wyll be.
1546
Dialogue of Proverbs
II
. i. F3
That shalbe, shalbe.
1616
Scornful Lady
III
. i.
I must kiss you …What must be, must be.
1841
Ten Thousand a year
I. i.
It's really very inconvenient .. for any of my young men to be absent .. but—I suppose—what must be must be.
1850
David Copperfield
lvii.
‘My love,’ observed Mr. Micawber, ‘..I am always willing to defer to your good sense. What will be—will be’.
1938
Circus is Coming
ii.
Peter is sensible …He knows what must be must be.
1981.
Brock
70
Oh well, what must be, must be.
fate and fatalism