独裁统治的最佳武器是保密，但民主的最佳武器应该是开放的武器。

The development of learning algorithms that can handle high-dimensional data is a major challenge in the field.

睡在哪里不都是睡在夜里。

What is uttered is finished and done with.

Laws, in their most general signification, are the necessary relations arising from the nature of things.

假使人人都彼此爱护，则天下安治；倘若人人都彼此交恶，则天下大乱。墨家主张兼爱。兼爱，指同时爱不同的人或事物。墨子主张爱无差别等级，不分厚薄亲疏。