Quotes from Keigo Higashino

How come you don't ask me any questions?" "Questions about what?" "About the investigation I'm working on," Kaga replied. "It's usually the first thing people ask me when I make inquiries. 'What's happened? What are you investigating?' " Sagawa chuckled. "What good would it do anyone to tell an amateur like me? If a detective's on the case, something nasty must have happened. Learning more about it will just make me depressed." "I wish more people felt like you," said Kaga.

Was it true? She had to know. She felt the love and the hatred in her heart tearing her in two, and realized that she would kill for the truth. And so she decided – she would go through with it. She would become this man's wife, always by his side, holding his fate in her hands, delaying the time of his punishment. She would give him a chance to earn her forgiveness.

Manusia tidak pernah bisa tahu apa yang akan dialaminya. Selama masih bernyawa, kita harus bisa menikmati hidup ini. Suzue

Scientists don't make decisions based on potential profit. What a scientist must consider foremost is which of the many available paths will lead to the greatest benefit for humanity. Even if said path, doesn't result in any personal gain, it's still the one to pick. Of course, ideally, we hope that the most beneficial path also results in personal gain.