It'd be nice to make lots of money but it's quite difficult, because every time I make lots of money I make a bigger piece that costs lots of money.
To be able to concentrate for a considerable time is essential to difficult achievement.
It is more difficult to stay on top than to get there.
It is an art of no little importance to administer medicines properly: but, it is an art of much greater and more difficult acquisition to know when to suspend or altogether to omit them.
It's not only the most difficult thing to know one's self, but the most inconvenient.
Tension, especially with regard to horror, is a very difficult thing to sustain in the big sense.
Painting is damned difficult - you always think you've got it, but you haven't.
Learning to take hold of one's life is very difficult in a culture that values property over life.
Inner silence is for our race a difficult achievement. There is a chattering part of the mind which continues, until it is corrected, to chatter on even in the holiest places.
When you don't come from struggle, gaining appreciation is a quality that's difficult to come by.
We are hungry for more; if we do not consciously pursue the More, we create less for ourselves and make it more difficult to experience More in life.
On the subject of the nature of the gods, the first question is Do the gods exist or do the not? It is difficult you may say to deny that they exist. I would agree if we were arguing the matter in a public assembly, but in a private discussion of this kind, it is perfectly easy to do so.
Truly great friends are hard to find, difficult to leave, and impossible to forget.
When I'm really plugged in I find it difficult to write. It's like digging a well. If you make a void, something moves in to fill it. Writing books is like that. It's mostly about freeing up time, doing nothing, and in that time some writing starts to happen. We need to figure out how to maintain those voids.
The resistance to black-and-white is huge, in the way that you have to sell the film. It's difficult to distribute around the world.
Prediction is difficult- particularly when it involves the future.
Anyone can buy CG technology. It's not that it's easy to make those films. Those films are just as difficult, they're incredibly hard to make.
Everywhere that I go in the world, people desperately look to American leadership in all of their world's most difficult problems. You can look at any region of the world and the United States is still the country to which those regions look for leadership.
How difficult it is to live when one feels that the judgment of many millenniums is around one and against one.
Every one is least known to himself, and it is very difficult for a man to know himself.