任何实验的价值和效用都取决于材料是否适合其使用的目的。
The value and utility of any experiment are determined by the fitness of the material to the purpose for which it is used.
"The most courageous act is still to think for yourself. Aloud."
Fiction is the truth inside the lie.
"Experience is merely the name men gave to their mistakes."
永远不要低估微小改进的力量——它们会随着时间累积。
孩子能独立活动时,父母可带领孩子一同认识世界。