Innovation is not just about creating something new; it's about improving what already exists.
创新不仅仅是创造新事物；它关乎改进已有的事物。
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.
The concept of freedom is inseparable from the concept of truth.
There is no stress in the world, only people thinking stressful thoughts.
The iron rule of nature is: You get what you reward for.If you want ants to come, you put sugar on the floor.