The historian walks a tightrope between fact and imagination.

农业成功的真正标准是跨代的可持续性。

解析：通过实践磨练自己。

Technology is just a tool. In terms of getting the kids working together and motivating them, the teacher is most important.

你可以叫我艺术家，可以叫我偶像，或者任何你想要的称呼。我不在乎，我为此骄傲。

The past is what you remember, imagine you remember, convince yourself you remember, or pretend you remember.

一件事不一定是真的或假的；它可能既是真的又是假的。