However, there is no definitive proof that he actually uttered these exact words.
It's possible that the phrase was either:
* A popular slogan circulating during the Indian independence movement.
* A paraphrase or reinterpretation of Bhagat Singh's revolutionary ideals and speeches.
While the exact origin might remain unclear, the phrase has become deeply entrenched in Indian history and symbolizes Bhagat Singh's unwavering commitment to freedom and his call for sacrifice in the fight for independence.