G K Chesterton: Nothing but idealism 

 “An act can only be successful or unsuccessful when it is over; if it is to begin, it must be, in the abstract, right or wrong. There is no such thing as backing a winner; for he cannot be a winner when he is backed. There is no such thing as fighting on the winning side; one fights to find out which is the winning side. If any operation has occurred, that operation was efficient. If a man is murdered, the murder was efficient. A tropical sun is as efficient in making people lazy as a Lancashire foreman bully in making them energetic. Maeterlinck is as efficient in filling a man with strange spiritual tremors as Messrs. Crosse and Blackwell are in filling a man with jam. But it all depends on what you want to be filled with. Lord Rosebery, being a modern skeptic, probably prefers the spiritual tremors. I, being an orthodox Christian, prefer the jam. But both are efficient when they have been effected; and inefficient until they are effected. A man who thinks much about success must be the drowsiest sentimentalist; for he must be always looking back. If he only likes victory he must always come late for the battle. For the man of action there is nothing but idealism.”

—G K Chesterton, What’s Wrong with the World.