马太福音 5:36
Neither shalt thou swear by thy head, because thou canst not make one hair white or black.
Context
This verse from 马太福音 Chapter 5 connects to 4 cross-references. 马可的四个撒种比喻：土壤（四种接受方式）；灯放在灯台上（不可隐藏）；种子自生自长（秘密临在）；芥菜种从小到大。耶稣向门徒解释比喻；平息风浪：「你们为什么这样胆怯？你们还没有信心吗？」
其他译本
Neither shalt thou swear by thy head, for thou canst not make one hair white or black.
nor by thy head mayest thou swear, because thou art not able one hair to make white or black;
You may not take an oath by your head, because you are not able to make one hair white or black.
交叉参考
Which of you by taking thought can add one cubit unto his stature?
Woe unto you, ye blind guides, which say, Whosoever shall swear by the temple, it is nothing; but whosoever shall …
And whoso shall swear by the temple, sweareth by it, and by him that dwelleth therein.
And which of you with taking thought can add to his stature one cubit?