故内无其质而外学其文，虽有贤师良友，若画脂镂冰，费日损功。
出自汉·桓宽《盐铁论·殊路》。镂：雕刻。如果没有内在的工夫，而只学习其表面，即使有再好的老师和朋友，也还是如同在油脂上作画、在冰上雕刻一样，只是浪费时间和功夫。
You have to be willing to take risks. If you’re not, you’re not going to make money.
If one has realised, he is that which alone is, and which alone has always been. He cannot describe that state. He can only be that.
The absurd is the essential concept and the first truth.