The first erroneous assumption is that quality means goodness, or luxury, or shininess, or weight. Quality means conformance to requirements.
The most exciting applications of drones haven't even been invented yet.
梦想只要不放弃，就一定会实现。
我喜欢挑战，因为挑战让我成长。
The beauty of mathematics lies in its ability to reveal the hidden structures of reality.
过去从未消逝，它甚至从未成为过去。