aham vEdhmi enREnO visvAmithraraip pOlaE
Brahmarshi Vishvamitra is one of the most venerated sages of ancient India. He is credited as the author of most of Mandala 3 of the Rigveda, including Gayatri Mantra. The Puranas mention that only 24 rishis since antiquity have understood the whole meaning of—and thus wielded the whole power of—Gayatri Mantra. Vishvamitra is supposed to be the first!
Vishvamitra was a king in ancient India, called by the name, Kaushika. An enraged King Kaushika once had a fight against Brahmarishi Vasishta and looking at the powers of the Brahmarishi, Vishvamitra too performed tapasya for several years to please Shiva. Even after getting the grace of Lord Shiva, Vishvamitra lost his battle against brahmarishi Vasishta. This incident made a deep impression on the King. He realized that power obtained by penances is far greater than mere physical might. He renounced his kingdom and began his quest to become a greater rishi than Vashista. He took on the name Vishvamitra.
During the era of Ramayan, one day, Vishvamitra came to king Dasaratha's court. The king received him with great honor. The sage then asked Dasaratha to give him Sri Rama so that He can defend the 6 days of yaga which is to be conducted in his ashram by the great sages and maharishis, from the rakshasas who were disturbing it.
The king, who is really fond of Sri Rama than everyone else replied with a concerned heart that Rama is very young and instead, the King himself would come along with a vast army and defend the Yaga and slay the rakshasas!
Vishvamitra replied: "O King! I know Sri Rama. He is capable of defeating the rakshasas. Only people like me and Vasishta truly know who He is. Understand that my words are nothing but the truth."
“aham vedmi mahAtmAnam rAmam satya parAkramam
vasishTopi mahAtejA ye cheme tapasistithA:”
Vasishta agreed with Vishvamitra and asked the king to send Rama and Lakshmana along with Vishvamitra. The king agreed and the two princes went with the sage and helped protect his yaga against the likes of Tataka and Maricha.
Thirukkolur Ammal is asking "Am I capable of understanding the truth and speak it like Vishvamitra?"
