Full Idea
The ancient Sloth's Syllogism says that if something is foreseen and infallible, it will happen without my effort, and if it is not foreseen, it will not happen, even though I am able to do it.
Gist of Idea
Sloth's Syllogism: either it can't happen, or it is inevitable without my effort
Source
Gottfried Leibniz (Dialogue on human freedom and origin of evil [1695], p.113)
Book Reference
Leibniz,Gottfried: 'Philosophical Essays', ed/tr. Arlew,R /Garber,D [Hackett 1989], p.113
A Reaction
Presumable the foreseeing is to be done by the oracle, and not by the slothful person.