《劝学诗》原文如下：

击石乃有火，不击元无烟。

哀哉方寸心，但随波浪旋。

韩愈《劝学》诗中，首先提出了“击石乃有火”的比喻，意味着只有通过不断的努力和磨砺，才能激发内在的潜能。这里的“击石”象征着求知的过程，而“火”则代表着智慧和知识的火花。紧接着，“不击元无烟”，表明如果不进行主动的学习和探索，那么原本无知的状态不会自动转化为有知。

接下来，“哀哉方寸心，但随波浪旋”，这里的“方寸心”指的是人的初心，也就是求知的初衷。然而，这个初心往往会被外界的波浪所影响，导致人们在学习的道路上摇摆不定。这一句诗强调了坚定学习意志的重要性，告诫人们不要受到外界干扰，要坚持不懈地追求知识。

整首《劝学诗》虽然简短，但却蕴含着丰富的哲理。它告诉我们，学习是一个主动求索的过程，需要不断地挖掘和探索，才能点燃内心的智慧之火。同时，学习还需要有一颗坚定不移的心，不为外界的诱惑和挑战所动摇。

翻译如下：

Striking stones produces fire, but without the strike, there is only smokeless silence.

How lamentable is this heart of mine, carried away by the waves and漩涡.

In conclusion,韩愈's《劝学诗》is a timeless piece of literature that continues to inspire people to this day. Its message of the importance of active learning and unwavering determination remains as relevant today as it was in the Tang Dynasty. Through his words,韩愈reminds us that knowledge and wisdom are not passive acquisitions, but rather the result of persistent effort and a steadfast heart.