All growth depends upon activity. There is no development physically or intellectually without effort, and effort means work. Growth | Calvin Coolidge quote
No enterprise can exist for itself alone. It ministers to some great need, it performs some great service, not for itself, but for others; or failing therein, it ceases to be profitable and ceases to exist. Calvin Coolidge quote
If you see ten troubles coming down the road, you can be sure that nine will run into the ditch before they reach you. Calvin Coolidge quote
