If we had a reliable way to label our toys good and bad, it would be easy to regulate technology wisely. But we can rarely see far enough ahead to know which road leads to damnation. Whoever concerns himself with big technology, either to push it forward or to stop it, is gambling in human lives.

It makes very little sense to believe the output of the climate models.

The reason why new concepts in any branch of science are hard to grasp is always the same; contemporary scientists try to picture the new concept in terms of ideas which existed before.

The public knows that human beings are fallible. Only people blinded by ideology fall into the trap of believing in their own infallibility.

We should try to introduce our children to science today as a rebellion against poverty and ugliness and militarism and economic injustice.

It is characteristic of all deep human problems that they are not to be approached without some humor and some bewilderment.

It has become part of the accepted wisdom to say that the twentieth century was the century of physics and the twenty-first century will be the century of biology.