
现在
I would like to fly in space.Absolutely.That would be cool.I used to just do personally risky things, but now I’ve got kids and responsibilities, so I can’t be my own test pilot.That wouldn’t be a good idea.But I definitely want to fly as soon as it’s a sensible thing to do.
2004年9月13日,81岁的杨振宁在清华大学开始为本科生讲授普通物理。他说
这句话杨在不同场合说过多次,每次表述时可能有个别字的差异。