Our desire lends the colours of the rainbow to the mere mists and vapours of life.
Innovation is not just about creating something new; it's about making a difference in people's lives.
译文：过去的时间逝去了不可追回，今天的日子也会在转瞬之间过去。赏析：已经过去的就让它过去，不必再追悔。我们要活在当下，珍惜每一天。与其用泪水悔恨昨天，不如用汗水拼搏今天。
The most important thing in mathematics is to understand the concepts, not just to memorize the formulas.