The consequence was a positively fanatic [orgy of] freethinking coupled with the impression that youth is being deceived by the state through lies; it was a crushing impression

Science can only ascertain what is, but not what should be, and outside of its domain value judgements of all kinds remain necessary.

The contemplation of this world beckoned as a liberation (...)The road to this paradise was not as comfortable and alluring as the road to the religious paradise; but it has shown itself reliable, and I have never regretted having chosen it.

No one must think that Newton’s great creation can be overthrown in any real sense by this [Theory of Relativity] or by any other theory. His clear and wide ideas will for ever retain their significance as the foundation on which our modern conceptions of physics have been built.

Science is the process of making obviously erroneous ideas less obviously erroneous.

If I would follow your advice and Jesus could perceive it, he, as a Jewish teacher, surely would not approve of such behavior.

A ship is safe at shore but it's not built for that.