Two things strike me dumb: the infinite starry heavens, and the sense of right and wrong in man.

Thoughts without content are empty, intuitions without concepts are blind... The understanding can intuit nothing, the senses can think nothing. Only through their union can knowledge arise.

Have patience awhile; slanders are not long-lived. Truth is the child of time; erelong she shall appear to vindicate thee.

Physicians think they are doing something for you by labeling what you have as a disease

Thinking in pictures precedes thinking in words.

Physicians think they do a lot for a patient when they give his disease a name.

[A ruler is merely] the trustee of the rights of other men and he must always stand in dread of having in some way violated these rights.