"Tax is legalized theft"
I am sure you've heard this quote before. And in a way, I can agree. After all, it's the stronger one (State) taking money from the weaker one (individual). The difference with regular theft is that taxes are supposed to be spend in a way which benefits the payer as well, and he has a say in how it is being spent (in a democracy).
But in practice, many of us see money flowing to a government who then spends it on stuff we'd never spend it on ourselves (insert any government policy you disagree with here.... wars, foreign aid, art subsidies, free healthcare, education, space exploration...whatever).
So how ethical are taxes...?