"When you become senile, you won't know it"

This quote by Bill Cosby is a funny way of pointing out the paradox of aging. It implies that when a person reaches a particular age, they might not know the changes that have occurred in their life. This could include physical changes, such as wrinkles and grey hair, or psychological changes, such as amnesia and confusion. The quote is a suggestion that aging is a natural part of life and that it is important to accept it and maximize the time we have. It also acts as a tip to cherish the moments we have actually with our enjoyed ones, as they may not always be around. Ultimately, this quote is a tip to enjoy life and maximize every minute.