Success is about consistency and never giving up.
数学是一门活生生的学科，随着新思想的出现而不断发展。
思考者最大的幸福是理解可理解的事物，并默默地敬畏不可理解的事物。
Coal will remain a vital energy source, but only if we evolve with the times.
"Memory is the diary we all carry about with us."
我不是专业人士，我没有专业生涯，我只是做我所做的事。
"I write for kids because I was a kid who needed books."