It would help if human experts agreed on the meaning of such basic terms as intelligence, consciousness, or awareness. They don't. It's hard to build something that's incompletely defined.
The frontiers of knowledge in the various fields of our subject are expanding at such a rate that, work as hard as one can, one finds oneself further and further away from an understanding of the whole.
Summer is not obligatory. We can start an infernally hard jigsaw puzzle in June with the knowledge that, if there are enough rainy days, we may just finish it by Labor Day, but if not, there's no harm, no penalty. We may have better things to do.
It's murder to doubt yourself in life. It took until I was 45 to get to that point. As hard as it is in your work, it's harder in your life. But it can be done.
I find running life quite hard, and I like sharing that. Obviously, the companionship, being loved and loving, is fantastic. But I don't feel that I couldn't live without a boyfriend or lover or husband.
Honestly, I have had to live like a high priestess in this show. It is a very, very lonely life. When you work the way I work - that means hard - there's no time for play.
I have a tremendous amount of respect for military families. To have to worry about your loved ones and still try and live a normal life is extremely hard.
I made up my mind several years ago that I had worked very hard to get to where I am in life and that I was only going to do things that are fun and exciting.
I was a swimsuit model, and I got bored. Acting was challenging. It was very hard and intimidating. We choose to do things in life sometimes that scare the crap outta us. Performing in front of people was my challenge.
It was definitely hard when I first started, and by no means do I consider my live show to be where I want it to be; it will develop step by step for the rest of my life.
I was in the heart and soul of Baltimore. I definitely felt a connection to the people. They're really hard-working people that want to have a better life. And I saw the struggle that exists there.
I think it's really hard for teenage girls in London to just gently... have a life. Everything has to be organised for kids in London - you can't just walk three roads to see a friend.
Well, it's so hard for books to take off. You give years of your life to something that probably won't happen, so when it does, it feels a little... unjust.
'Showgirls' was a critical point in my life. I had my head handed to me. At 21 years old, I had to find my self-esteem again. It was a very hard time.
Boxing has been the most difficult thing I've ever done. The biggest challenge in my life. I was a boxer. That was hard. Everything else is pretty easy.
I feel like in an interview situation, it's a kind of intimacy that I can understand and handle - versus in real life, when I'm much more of a bumbler and have a hard time.
We need to focus on getting people back to work, focus on jobs, the economy, the debt and the spending. That's what will improve the quality of life for American families and for hard-working taxpayers.
After all, it is hard to master both life and work equally well. So if you are bound to fake one of them, it had better be life.
In real life, people are constantly saying one thing and doing another, but if you write your characters that way, the story becomes too hard to follow.
You have to fight really hard for a private life, and sometimes you don't have one. It just gets to you after a while. It's tough.
There are some liberals eager to embrace a culture void of morals, but the majority of America is made up of honest, hard-working families who turned out in droves to protect the traditional way of life.
