Knowledge is a treasure, but practice is the key to it. —— Fuller
知识是一宝库，而实践就是开启宝库大门的钥匙。 —— 富勒
Strength alone knows conflict, weakness is below even defeat, and is born vanquished.——Swetchine
Love alone can release the power of the atom so it will work for man and not against him. —— W. A. Peterson
The failures and reverses which await men - and one after another sadden the brow of youth - add a dignity to the prospect of human life, which no Arcadian success would do.——Henry David Thoreau
While there is life there is hope.