精誠所至 [ㄐㄧㄥ ㄔㄥˊ ㄙㄨㄛˇ ㄓˋ; jing1 cheng2 suo3 zhi4] with a will, you can achieve anything (idiom); cf 精誠所至,金石為開,金石为开 ◄ ►