Immigration can have positive effects on innovation and productivity.

建筑中最重要的材料是光。

对智者来说，世界是喜剧；对愚者来说，世界是悲剧。

My blindness has never been a limitation; it has taught me to see the world in a different way.

The most ordinary lives are full of extraordinary moments.

噪音是尚未被处理的信息。