The past is always tense, the future perfect.
The first erroneous assumption is that quality means goodness, or luxury, or shininess, or weight. Quality means conformance to requirements.
过去是一个不会停止纠缠你的幽灵。
"The past is what you remember, imagine you remember, convince yourself you remember, or pretend to remember."
我们征服的不是山，而是我们自己。
Lock up your libraries if you like; but there is no gate, no lock, no bolt that you can set upon the freedom of my mind.