The night is dark and full of terrors.
长夜黑暗，处处险恶。
The energy industry is not just about extracting resources; it's about powering progress and improving lives.
No society can surely be flourishing and happy， of which the far greater part of the members are poor and miserable.
信仰 + 怀疑 = 理智。
The unexamined life is not worth living.
The most elegant mathematical proofs are those that reveal truth with simplicity.