Ramayana
शूलस्य च बलं ब्रह्मन्के च पूर्वं विनाशिताः । अनेन शूलमुख्येन द्वन्द्वयुद्धमुपागताः ॥ 7-67-2 ॥
"O brahmin, what is the power of his trident, and who were they that, in former times, met this chief wielder of the trident in single combat and were destroyed by it?"
english translation