There are two possible outcomes: if the result confirms the hypothesis, then you've made a measurement. If the result is contrary to the hypothesis, then you've made a discovery.
The ground for taking ignorance to be restrictive of freedom is that it causes people to make choices they would not have made had they seen what their choices involved.
Success is the only option, failure is not.
除非有勇气看不到海岸，否则你无法游向新的地平线。
The more you look, the more you see.