| Link | Quote | Stars | Tags | Author |
| 0716f7b | The brick walls are there for a reason. The brick walls are not there to keep us out. The brick walls are there to give us a chance to show how badly we want something. Because the brick walls are there to stop the people who don't want it badly enough. They're there to stop the other people. | perseverance inspirational barriers challenges failures failure | Randy Pausch | |
| 1542bd3 | Indeed, the only truly serious questions are ones that even a child can formulate. Only the most naive of questions are truly serious. They are the questions with no answers. A question with no answer is a barrier that cannot be breached. In other words, it is questions with no answers that set the limit of human possibilities, describe the boundaries of human existence. | existence barriers boundaries questions children | Milan Kundera |