Be grateful even for hardship, setbacks, and bad people. Dealing with such obstacles is an essential part of training in the Art of Peace.
Morihei Ueshiba (1883 CE-1969 CE), Morihei Ueshiba was a Japanese martial artist and founder of the martial art of aikido. He is often referred to as "the founder" Kaiso (開祖) or Ōsensei (大先生/翁先生), "Great Teacher".