The most secure encryption is the one you don't use.

南怀瑾：世间法不空，与般若有挂碍，等于眼中有沙，认生死轮回为实有；出世间法不空，与般若亦有挂碍，等于肉中有刺，认化城为宝所；故有凡夫生死、二乘涅盘的颠倒梦想。

Die Wahrheit ist oft unwahrscheinlicher als die Fiktion.

Profit is important, but it should never come at the expense of our principles.

"Change is the only constant in the universe."

To study the phenomena of mind from the standpoint of the soul is nothing less than the way to perfect knowledge.