OSLO — When she was awarded the Nobel Peace Prize in 1991, while under house arrest in Myanmar, Daw Aung San Suu Kyi said Saturday, she realized that the Burmese “were not going to be forgotten.”

When the Norwegian Nobel Committee awarded her the prize, she said in her Nobel lecture here on Saturday, 21 years later, it was recognition that “the oppressed and the isolated in Burma were also a part of the world, they were recognizing the oneness of humanity.” But “it did not seem quite real, because in a sense I did not feel myself to be quite real at that time,” she said. “The Nobel Peace Prize opened up a door in my heart.”

She said the prize “had made me real once again; it had drawn me back into the wider human community,” and it had given the oppressed people of Burma, now Myanmar, and its dispersed refugees, new hope. “To be forgotten,” Ms. Aung San Suu Kyi added, “is to die a little.” In a quiet, throaty voice on Saturday she asked the world not to forget other prisoners of conscience, both in Myanmar and around the world, other refugees, others in need, who may be suffering twice over, she said, from oppression and from the larger world’s “compassion fatigue.”

It was a remarkable moment for the slight Ms. Aung San Suu Kyi, who turns 67 next week and is now a member of Parliament and the leader of Myanmar’s opposition. She dressed in shades of purple and lavender, her hair adorned with flowers. It is a gesture she makes in honor of her father, Gen. Aung San, an independence hero of Burma, who was assassinated in 1947, when she was 2, but whom she remembers threading flowers through her hair.