The joy of discovery is what keeps me motivated after all these years.

Grow old along with me! The best is yet to be, the last of life, for which the first was made.

Faith is a living, daring confidence in God's grace, so sure and certain that a man could stake his life on it a thousand times.

成功不是幸福的关键。幸福才是成功的关键。如果你热爱你所做的事情，你就会成功。