Why is personal assurance of salvation important for Christians?

For believers, personal assurance of salvation is crucial as it confirms the authenticity of their faith. Without assurance, one may depend on the validation of others, which can lead to false security. The Christian life is meant to be one of ongoing self-examination and reliance on God's Word and Spirit. Personal trials and tribulations serve as opportunities to witness God's faithfulness and guidance, which strengthen assurance and confirmation of one's place in Christ. Ultimately, such assurance leads to a life lived in gratitude and obedience to God's will.