With genetic engineering, we will be able to increase the complexity of our DNA, and improve the human race. But it will be a slow process, because one will have to wait about 18 years to see the effect of changes to the genetic code. ↗
The greatest obstacle to being heroic is the doubt whether one may not be going to prove one's self a fool; the truest heroism is to resist the doubt; and the profoundest wisdom, to know when it ought to be resisted, and when it be obeyed. ↗
A great many things which in times of lesser knowledge we imagined to be superstitious or useless, prove today on examination to have been of immense value to mankind. ↗
We finally found out the technique of separating and getting information about where every train would be at any moment. Of course, I went over budget many times, because - as you go along - some things improved, and you get better ideas. ↗