Chapter 8 · verse 5 · gita.yoga.org

Bhagavad Gita 8.5

अन्तकाले च मामेव स्मरन्मुक्त्वा कलेवरम्। यः प्रयाति स मद्भावं याति नास्त्यत्र संशयः

And whoever, leaving their body, goes forth remembering Me alone at the time of death, they will attain My Being; there is no doubt about this.