彼は生まれつき温厚だ。
He is kind by nature.

温故知新というからねえ。歴史の勉強は大切だよ。
They say you should consult the past if you want to learn about the future. History has a lot to teach us.

騒音公害は、人々が環境にもっと敏感でありさえすれば避けることができるのに。
Noise pollution could be avoided if only people were more sensitive to the environment.