The truth is rarely pure and never simple.
One good thing about music, when it hits you, you feel no pain.
My life is an unfinished song.
The proletariat is the universal class, the class whose radical chains are capable of bursting asunder.
The study of mathematics is the indispensable basis for all intellectual and spiritual progress.
我爱上了你，我不会否认自己说出真相的简单快乐。
The meaning of life lies in the pursuit of truth.