有些令人失望，他在标题为“要大胆前进：我在物理学中的生活”的发言中，没有提到那些热门的话题，诸如时间领域里的旅行或他在过去参加过辩论的外星人。
Disappointingly to some, his presentation, titled "to boldly go: My life in physics", made no mention of popular topics such as time travel or aliens that he has weighed in on in the past.
所谓有秩序，就是既大胆又慎重，要及时总结经验，稳步前进。
That is to say, we must be at once daring and cautious, and review our experience frequently so as to advance more surely.
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