Free will in antiquity
In Plato's Gorgias (and in the Protagoras 345c4-e6), Socrates argues that no one does wrong willingly, one of the most famous doctrines to be associated with him. When framed in modern (Western) terms, the implication is that it is ignorance, rather that free individual agency, that is responsible for morally wrong actions.
Twilight of the Idols
Nietzsche holds Socrates in special contempt. Socrates, he believes, was subject to all manner of vice and lustful impulses and was a product of the "lower orders" of society. Nietzsche singles out two particular ideas of Socrates for attack. The first is the interconnectedness of reason, virtue, and happiness. The second is Socrates's introduction of the dialectic method to philosophy (the process by which two or more people with different points of view reach a conclusion through a process of discourse, logic, and reason, also called the Socratic method). Nietzsche thought that the dialectic allowed weaker philosophical positions and less sophisticated thinkers to gain too large a foothold in a society. Nietzsche's program valued instinct over reason, but because of Socrates and the dialectic, Greek culture now became "absurdly rational." A key part of Nietzsche's thesis is that "happiness and instinct are one," but reason stands in direct opposition to instinct.