质量不是一种行为,而是一种习惯。
Music is my language; I use it to talk to the world.
The essence of mathematics is not to make simple things complicated, but to make complicated things simple.
"Courage is not the absence of fear, but the triumph over it."
We Irish are too poetical to be poets; we are a nation of brilliant failures, but we are the greatest talkers since the Greeks.