“It’s like when you climb a ladder. When you get to the fourth rung, you may think you are on the highest step and cannot go higher, so you hold on to the fourth rung. But in fact there is a fifth rung; if you want to get to it, you have to be willing to abandon the fourth rung. Ideas and perceptions should be abandoned all the time, to make room for better ideas and truer perceptions. This is why we must always ask ourselves, “Am I sure?”
