A world technology means either a world government or world suicide.

Do not confuse your vested interests with ethics. Do not identify the enemies of your privilege with the enemies of humanity.

A religion which has lost its basic conviction about the interconnection of men with men in their common struggles for the human, will never command belief in the realm of the superhuman.

In the end, as any successful teacher will tell you, you can only teach the things that you are. If we practice racism then it is racism we teach.

Science itself is a humanist in the sense that it doesn't discriminate between human beings, but it is also morally neutral. It is no better or worse than the ethos with and for which it is used.

The crime of book purging is that it involves a rejection of the word. For the word is never absolute truth, but only man's frail and human effort to approach the truth. To reject the word is to reject the human search.

What is dangerous about tranquillizers is that whatever peace of mind they bring is a packaged peace of mind. Where you buy a pill and buy peace of mind with it, you get conditioned to cheap solutions instead of deep ones.