__ t?i T_ Ni_m X_ l? m_t __ t?i kh? v? _?i h_i s_ th_c t_p __ th_t s_ hi_u v_ T_ Ni_m X_. T_ ni_m x_ l? b_n ph?p qu?n c_ b_n v_ s_ t_nh gi?c. Ph__ng ph?p thi_n qu?n n?y ___c __c Ph_t thuy_t nhi_u l_n qua nhi_u kinh kh?c nhau, bao g_m qu?n th?n, qu?n th_, qu?n t?m, v? qu?n ph?p. C? nhi_u kinh li?n quan __n v_n __ n?y, nh_ng _ m_i kinh l_i c? ch?t kh?c bi_t do t?y duy?n gi?o h?a m? __c Ph_t _? thuy_t kh?c nhau. L_i c_ng do truy_n kh_u ho_c truy_n v_n ho_c d_ch ng_ ho_c bi?n t_p m? __n ng?y nay, s_ kh?c bi_t _? c?ng l_n h_n. Cu_n s?ch n?y, m_t l? mu_n __i chi_u c?ng l?c nhi_u t_ li_u, hai l? mu_n __i chi_u theo c_u tr?c, v? v_y thay v? ch_n ph__ng ph?p ti_p c_n theo chi_u ngang, cu_n s?ch n?y ch_n ph__ng ph?p ti_p c_n theo chi_u d_c t_c l? _i theo t_ng __ m_c qu?n __ tr?ch d_n t_ li_u so s?nh. H__ng ti_p c_n n?y s_ chia v_n b_n/c_m v_n b_n theo t_ng __ m_c, nh?m __ m_c (ch_ __, ti_u __, __ m_c). Trong m_i __ m_c, c?c v_n b_n s_ ___c tr?ch d_n __i chi_u __ l?m s?ng t_ t_ t__ng trong t_ ni_m x_. 
