sentence1: Through Silvanus, our faithful brother, as I consider him, I have written to you briefly, exhorting and testifying that this is the true grace of God in which you stand.
sentence2: 我是在西尔瓦努斯的帮助下，将这封信寄给你们，他是我值得信赖的兄弟。通过我所写的这些文字，我想鼓励你们并见证这是上帝真正的恩典。要坚定地站在上帝的恩典中！