"In the silence between words, we often find the most profound truths."
心理学必须始终问：这如何帮助有机体生活？
The truth is, the science of Nature has been already too long made only a work of the brain and the fancy: It is now high time that it should return to the plainness and soundness of observations on material and obvious things.
The past is a ghost, the future a dream, and all we ever have is now.
失败并不是坏事。它是学习和改进过程的一部分。
Neither power nor wealth, only the scepters of art endure.