Who said "The test of character comes not in victory, but in defeat."?

This quote is attributed to Wilhelm II.

The test of character comes not in victory, but in defeat. - Wilhelm II

"The test of character comes not in victory, but in defeat."

Wilhelm II Strength

Kaiser, Monarch German 1859–1941

"The fact that I am not always right is something of which I am well aware."

"We have fought this war like sissies and not like men."

"You will find that the the Americans only outwish us."

"I am the German Emperor, and I consider myself an instrument of the Lord."

"Strength comes from within."

"A woman should be proud of who she is."

"A strong woman can overcome anything."

"The only thing I'm good at is killing."