The only limit to our realization of tomorrow is our doubts of today.
出自北齐·颜之推《颜氏家训·勉学》。不管是愚人还是聪明人,总想自己见多识广,但不肯读书,这就等于想吃饱饭却懒得做饭,想穿暖却懒得缝制衣服。
 释义:不和他人去争名利上的得与失,只求自己能够拥有和增长智慧与才干。
我的雄心不仅是走得比前人更远,还要到达人类可能到达的最远处。
"We must always strive to do the right thing, even when it is difficult."