"As with any large investment, it can be emotionally difficult to abandon a line of research when it isn't working out. But in science, if something isn't working, you have to toss it out and try something else."
Toss
"As with any large investment, it can be emotionally difficult to abandon a line of research when it isn't working out. But in science, if something isn't working, you have to toss it out and try something else."