How do we know Jesus' work of salvation is finished?

Jesus' proclamation of 'It is finished' found in John 19:30 encapsulates the completion of His work for salvation. This declaration assures us that all the requirements of the law were met, all debts were paid, and the burden of sin was borne by Him. Hebrews 10:14 reinforces this by stating that 'by one offering, He has perfected forever those who are sanctified.' The empty tomb further confirms this, as His resurrection signifies victory over sin and death, assuring believers of their completed redemption.