有機(jī)體本質(zhì)上是對環(huán)境刺激的被動反應(yīng)者。
A pessimist sees the difficulty in every opportunity; an optimist sees the opportunity in every difficulty.
There are dark shadows on the earth, but its lights are stronger in the contrast.
"The truth is rarely pure and never simple."
Success is not final, failure is not fatal: It is the courage to continue that counts.
El tiempo es un río que me arrebata, pero yo soy el río.