σύ

Sý functions as the singular "you" in Greek, directly addressing one person. Its usage often highlights a personal relationship, direct command, or specific identification. In various contexts, it can emphasize the individual’s responsibility, role, or unique characteristic. The direct address using sý can convey intimacy, authority, or a challenge, depending on the surrounding discourse. Unlike modern English, which uses "you" for both singular and plural, Greek maintains this distinction, making sý a crucial element in understanding the precise scope of an address or statement.

Throughout the New Testament, sý is employed in numerous significant interactions. Jesus frequently uses sý when speaking to individuals, whether in teaching, healing, or confronting. This direct address underscores the personal nature of his ministry and his engagement with each person. For example, when Jesus asks "Dost thou believe on the Son of God?" (John 9:35), the sý emphasizes the individual’s personal faith and commitment. Similarly, in addressing Peter as "thou" (Matthew 26:73), the scripture emphasizes Peter's direct involvement in the events unfolding.

Sý is also prominent in theological declarations, such as in Hebrews 7:21 where God addresses Christ, "Thou art a priest for ever after the order of Melchisedec." This usage elevates the individual addressed, signifying a unique status or divine appointment. It reinforces the eternal priesthood of Christ and highlights God's direct engagement with Him. The use of sý in such passages underscores the personal and specific nature of divine pronouncements and their eternal implications for the individual concerned.