Polish-american mathematician (1900-1992).
Born December 26th, 1900 in Warsaw. [ref]
Died May 30th, 1992 at 91 years old in Chicago.
When we finally know we are dying, and all other sentient beings are dying with us, we start to have a burning, almost heartbreaking sense of the fragility and preciousness of each moment and each being, and from this can grow a deep, clear, limitless compassion for all beings. Sogyal Rinpoche