I said that if you attain your true self, then if you die in one hour, in one day, or in one month, it is no problem. If you only do “fixing-your-body” meditation, you will mostly be concerned with your body. But some day, when it’s time for your body to die, this meditation will not help, so you will not believe in it. This means it is not correct meditation. If you do correct meditation, being sick sometimes is OK; suffering sometimes is OK; dying someday is OK. The Buddha said, “If you keep a clear mind moment to moment, then you will get happiness everywhere.” 

Zen Master Seung Sahn