单选题
Life is DifficultWhat makes life difficult is that the process of facing and solving problems is a painful one. Problems cause 请作答此空 , anger, fear or despair. These are 32 feelings, often as painful as any kind of physical pain. And since life 33 an endless series of problems, it is 34 difficult and is full of pain as well as joy.Yet it is in this process of 35 and solving problems that life has its meaning. Problems call forth our 36 and our wisdom. It is only because of problems that we grow 37 and spiritually. When we want to encourage the 38 of the human spirit, we encourage the human capacity to solve problems, just as in school we deliberately 39 problems for our children to solve. It is through the pain of confronting and resolving that we learn. It is for this reason that 40 people learn not to fear but actually to welcome problems and actually to welcome the pain of problems.