The chemical industry has a responsibility to lead the way in reducing environmental impact.
大自然为所有活动都观察了合适的时间。
A verdadeira revolução é a que transforma o coração do homem.
领导力在于激励他人看到愿景并共同努力实现它。
Combinatorics is like the art of counting without actually counting.
"A book is a dream that you hold in your hand."