数学中发现的快乐是无与伦比的。
The joy of discovery in mathematics is unparalleled.
我的艺术源于只有我能看到的幻觉。我将困扰我的幻觉和强迫性图像转化为雕塑和绘画。
The one element which is of first importance in scientific management is the task idea.
A true friend is the one who holds your hand and touches your heart.