"song tren doi song can co mot tam long de lam gi......."? do la cau noi rat hay day triet ly cua mot nhac si tung hoc triet hoc. Cau noi nay toi rat thich boi vi ai thich lam gi thi cu lam nhu the moi "hien sinh" Tai sao phai d an vat ban than chu va co ai do noi mot dieu khong hay ve minh thi phai lam sao? do la, cai that tuoi cuoi cho ha he cuoc doi. Nhu Lo Tan noi: "ngang dau coi khinh ngan luc si cui dau lam ngua be nhi dong"