Experiments on plant hybridization require the most careful attention and great patience.

Ignorance is not innocence but sin.

I believe that if you'll just stand up and go, life will open up for you.

人类是一种非常奇特的生物。他以为自己有灵魂，但他所拥有的只是一具躯体。

教育是点燃火焰，而不是填满容器。