We have forgotten, but these were the miseries for birth. In suffocated condition...But we have forgotten. So forgetfulness is not solution. Closing the eyes before the enemies is no solution. Daivi hy esa gunamayi mama maya duratyaya [Bg. 7.14]. So long you are in material condition, you have to suffer all these miseries, either you become rich man or poor man. You may become American or Indian. The miseries of birth, death, old age and disease, they are all the same everywhere, not only within this planet, but also in other planets also. Abrahma-bhuvanal lokah [Bg 8.16]. This is the intelligence. They are trying to go to the moon planet, or somebody, by karma-kandiya consideration, they are trying to go to the heavenly planet. But wherever you go, you must know that these four conditions of material life, they are present.
Lecture on Bhagavad-gita 7.3, Vrndavana, 31 October, 1973