At present, intelligent people do not have their children vaccinated, nor does the law now compel them to. The result is not, as the Jennerians prophesied, the extermination of the human race by smallpox; on the contrary more people are now killed by vaccination than by smallpox.
A man cannot utter two or three sentences without disclosing to intelligent ears precisely where he stands in life and thought, whether in the kingdom of the senses and the understanding, or in that of ideas and imagination, or in the realm of intuitions and duty.
Every intelligent individual wants to know what makes him tick, and yet is at once fascinated and frustrated by the fact that oneself is the most difficult of all things to know.
Having an intelligent secretary does not get rid of the need to read, write, and draw, etc. In a well functioning world, tools and agents are complementary.
[Consider] a fence or gate erected across a road] The more modern type of reformer goes gaily up to it and says, "I don't see the use of this; let us clear it away." To which the more intelligent type of reformer will do well to answer: "If you don't see the use of it, I certainly won't let you clear it away. Go away and think. Then, when you can come back and tell me that you do see the use of it, I may allow you to destroy it."
Desire for approval and recognition is a healthy motive, but the desire to be acknowledged as better, stronger, or more intelligent than a fellow being or fellow scholar easily leads to an excessively egoistic psychological adjustment, which may become injurious for the individual and for the community.