From the Notebooks of Lazarus Long (Heinlein)
In a galaxy where the only dangerous animal to man was man himself, people had to create their own competition. Men were found to be more sentimental than women, which often clouded their judgment.
Men are more sentimental than women. It blurs their thinking.
People were advised to listen to experts, as they would tell them what couldn't be done, and then they should do it anyway. There was no conclusive evidence of life after death, but there was also no evidence against it, so people were advised not to worry about it.
Throughout history, religion was seen as a crutch for those not strong enough to face the unknown without help. People were encouraged to focus on facts and figures, rather than opinions and beliefs.
If it can't be expressed in figures, it is not science; it is opinion.
Differences between individuals were crucial, and it was important to recognize that one person's strengths may not be the same as another's.
In society, people were advised to prioritize the protection of pregnant women and young children, as this was the only universal morality. All men were created unequal, and it was important to recognize this fact. People were encouraged to be wary of strong drink, as it could lead to poor decisions and actions.
In relationships, it was important to always tell a woman she was beautiful, even if she wasn't. Jealousy was seen as a symptom of neurotic insecurity, and a competent and self-confident person would not be jealous. People were encouraged to be honest with their partners and to avoid making irrevocable decisions while tired or hungry.
In terms of personal growth, people were encouraged to cultivate the ability to unlearn old falsehoods in order to stay young. They were also advised to never underestimate the power of human stupidity and to always be prepared for the unexpected.
In politics, people were encouraged to vote, even if they didn't fully support any candidates or measures. They were reminded that any government would work if authority and responsibility were equal and coordinated. People were also advised to be wary of those who wanted to control others, as this often led to tyranny.
In the end, people were encouraged to live their lives to the fullest, taking risks and learning from their experiences. They were reminded that life was short and that it was important to make the most of the time they had.