you may meet opportunities; you may miss opportunities; you may create opportunities. Opportunities may recur; opportunities may be equivalent but not equal. For the sake of the vicissitudes of life and the mutability of time, watch your time - Ernest Agyemang Yeboah
He is a benefactor of mankind who contracts the great rules of life into short sentences, that may be easily impressed on the memory, and so recur habitually to the mind. - Samuel Johnson