No matter how insignificant the thing you have to do, do it as well as you can, give it as much of your care and attention as you would give to the thing you regard as most important. For it will be by those small things that you shall be judged.
Where the world ceases to be the scene of our personal hopes and wishes, where we face it as free beings admiring, asking and observing, there we enter the realm of Art and Science.
The power of memories and expectations is such that for most human beings, the past and the future are not as real, but rather more real than the present.
The most important thing in life is to stop saying 'I wish' and start saying 'I will.' Consider nothing impossible, then treat possibilities as probabilities.