"All you need is confidence in yourself.

There is no living thing that is not afraid when it faces danger.

The True courage is in facing danger when you are afraid, and that kind of courage you have in plenty." "Perhaps I have, but I'm scared just the same," said the Lion.

"I shall really be very unhappy unless you give me the sort of courage that makes one forget he is afraid." "Very well, I will give you that sort of courage tomorrow," replied Oz.
"How about my heart ?" asked the Tin Woodman.
"Why, as for that," answered Oz, "I think you are wrong to want a heart.

It makes most people unhappy.