>> this is an incoherent criticism, says the oxford-based philosopher will macaskill who co-founded givingt we can. he's been wondering how to help the poor for years. his solution is to spend money wisely. >> when we think about helping others, we think of that as a kind of bonus, an additional thing rather than something that is important for living a good, moral life. and that's what i'd like to change. ♪ >> marek duda has made a lifetime pledge to donate 10% of his income. now he's trying to persuade others to do the same, like his flatmate tim. so that money is distributed a little more justly around the world. >> that is the beauty of a democracy. people can choose whether or not to give. the goal of terrorists is to make us change our way of life. it is important to preserve these values. particularly when they come under threat. thank you for watching. in the meantime, it is a goodbye from me. which is responsible for its caption content and accuracy. visit ncicap.org] [captioning performed by the national captioning institute, >>> hello, welcome to nhk "newsline." it is tuesday, a