"The past is never truly gone; it lives on in the choices we make today."
A proof is a device for convincing someone else that a mathematical statement is true.
释义:独具慧眼的人看山崖,能发现未经琢磨的玉石;靠近河川,便能知道水里有珍珠。比喻人应善于观察和学习,方能洞察事物本质。
儿童的进步不是取决于年龄,而是取决于能够自由地观看他周围的一切。
Only by working harder than others can you be more successful than others.