Drugs are a waste of time. They destroy your memory and your self-respect and everything that goes along with with your self-esteem. They're no good at all. ↗
I soon became convinced... that all the theorizing would be empty brain exercise and therefore a waste of time unless one first ascertained what the population of the universe really consists of. ↗
Eventually, I believe, current attempts to understand the mind by analogy with man-made computers that can perform superbly some of the same external tasks as conscious beings will be recognized as a gigantic waste of time. ↗
I grew up in conservative rural Kansas in the 1950s when it was expected that girls would not have a life outside the home, so educating them was a waste of time. ↗
You can't live your life blaming your failures on your parents and what they did or didn't do for you. You're dealt the cards that you're dealt. I realised it was a waste of time to be angry at my parents and feel sorry for myself. ↗
I can do whatever I want. They will tell me if what I am doing is stupid or a total waste of time. I may tell them that they are wrong, and we will come to an agreement. ↗