When people are faced with a problem, they often think in terms of past experiences rather than looking at the actual structure of the problem.
If you have any doubt at all about being able to carry a load in one trip， do yourself a huge favor and make two trips.
It's on the strength of observation and reflection that one finds a way. So we must dig and delve unceasingly.
We are at a unique stage in our history. Never before have we had such an awareness of what we are doing to the planet, and never before have we had the power to do something about it.