不登上高山,就不知道天是多么高远;不亲临深溪,就不知道地是多么深厚。
The only limit to our realization of tomorrow will be our doubts of today.
世界上充满了显而易见的事情,却没有人注意到。
Never forget why you started, and you can accomplish your mission. We must always keep in mind the mission of "dedicating oil to the motherland".
O homem só é verdadeiramente livre quando reconhece a sua dependência dos outros.