It is needless to add that you are in want of a second.

你需要一个助手, 那是不必。

The dampness is uncomfortable,not to mention the cold.

潮湿就令人不舒服,更不必寒冷了。

I have tried to stand between these two forces saying that we need not follow the "donothingism" of the complacent or the hatred and despair of the black nationalist.

尽力设法站在这两股力量中间，不必追满足现”无所作为主义，”也不必仿效黑人民族主义仇恨和绝望。