税收应该简化，以促进经济的发展。
I am convinced that the substitution of a simple tax on the rent of land for the complicated taxes which at present oppress industry would be advantageous to all classes.
物理学的语言是数学，但其意义是哲学。
I don't believe in the concept of 'the method'. I believe in the concept of 'the moment'.
The best way to predict the future is to create it.