I love to think of nature as an unlimited broadcasting station, through which God speaks to us every hour, if we will only tune in.

It is not unlikely, but that there may be yet invented several other helps for the eye, as much exceeding those already found, as those do the bare eye.

In business, if you're not moving forward, you're falling behind.

做伟大工作的唯一方法是热爱你所做的事。