有時(shí)候你可能覺(jué)得自己不夠好，但你是足夠的。
The best performance improvement is the transition from the nonworking state to the working state.
科學(xué)是提出正確問(wèn)題的藝術(shù)。
I have no ideas about what the paintings imply about the world. I think it's better if I don't know.
Good policy requires both sound theory and empirical validation.
蒸汽機(jī)是改善人類(lèi)狀況的最有力工具。
The key to trading success is to be patient and disciplined.