Who said “To see what is in front of one's nose needs a constant struggle.”?

“Everybody gets so much information all day long that they lose their common sense.”

“It is common sense to take a method and try it. If it fails, admit it frankly and try another, but above all try something.”

“The question of common sense is always "What is it good for?"—a question which would abolish the rose and be answered triumphantly by the cabbage.”

“Common sense hides shame.”

“Common Sense is very uncommon.”

“One cannot really be Catholic & grown-up.”

“The quickest way of ending a war is to lose it.”

“Saints should always be judged guilty until they are proved innocent.”

“Men are only as good as their technical development allows them to be.”

“No one can look back on his schooldays and say with truth that they were altogether unhappy.”

“So much of left-wing thought is a kind of playing with fire by people who don't even know that fire is hot.”