"The greatest friend of truth is Time, her greatest enemy is Prejudice, and her constant companion is Humility." -Charles Caleb Colton

 

“真理最好的朋友是时间，最大的敌人是偏见，最长久的伴侣是谦逊。”——查尔斯·迦勒·科尔顿

 

Achievement provides the only real pleasure in life .( Thomas Edison , American inventor)

 

有所成就是人生唯一的真正乐趣。( 美国发明家 爱迪生. T. )

 

Man struggles upwards; water flows downwards.