Success is not final, failure is not fatal: It is the courage to continue that counts.
Every time we teach a child something, we keep him from inventing it himself.
引力比其他力弱得多这一事实可能是物理学中最深刻的谜团。
程序员不应以其才智和逻辑来衡量,而应以案例分析的完整性来衡量。
Don't get involved in partial problems, but always take flight to where there is a free view over the whole single great problem, even if this view is still not a clear one.
Where love is great, the littlest doubts are fear; where little fears grow great, great love grows there.