If you're trying to achieve, there will be roadblocks. I've had them; everybody has had them. But obstacles don't have to stop you. If you run into a wall, don't turn around and give up. Figure out how to climb it, go through it, or work around it.
“I really have a great deal of humility in that department, and a great deal of respect for people who spend their lives learning how to make these amazing preparations.”