An essay on perseverance can be carved with one stone.

"The power of water drops is very small, but as long as it keeps dripping in one place, granite will also be dripped out of small pits." But if the falling water drops are in one direction and fall on a fixed point. With a clear goal and a single-minded spirit, there is the power to wear a stone. Zuo Si, a writer of Jin Dynasty in China, once specialized in calligraphy when he was young, but he accomplished nothing. Later, he devoted himself to playing the piano, and his grades were still mediocre. His father lost confidence in him and said to his friend? "quot, Zuo Si's intelligence can't catch up with me?" Zuo Si was greatly moved after hearing this, and studied hard from then on, determined to achieve something in literature. Ten years later, I finally wrote Sandu Fu, and Luoyang paper is expensive. The story of Leonardo da Vinci painting eggs can be said to be a household name. Leonardo da Vinci took pains to draw eggs when he was studying painting. Finally, he drew eggs with different shapes and rich changes, and became a world-famous painter. ..... You see, from ancient times to the present, all people who have achieved their careers have relied on this spirit of "dripping water wears away the stone" on their way forward and finally achieved success. And some of our classmates want to be writers when they see a good book; Seeing Chen Jingrun take off the laurel of mathematics, he fancied himself a mathematician; Attend a concert and want to be a singer. Without such a clear goal and working in one direction, how can there be the spirit of penetrating rocks? The same is true of water droplets! As long as the water always drops in the same place, and you make unremitting efforts, no matter how many hardships and failures you experience, you can eventually drop water and wear away the stone. Drip wears away the stone, the key lies in the perseverance of the word "constant", which can produce strength, wisdom and miracles. We should keep in mind the revelation that dripping water wears away the stone, be single-minded, not half-hearted, persevere and never give up halfway. Only with the perseverance of dripping water wears away the stone can we reach the other side of victory and realize our beautiful ideal.