2. Explore knowledge while you are young, which will make up for the losses caused by old age. Wisdom is the spiritual nourishment of old age, so you should work hard when you are young, so that you will not be empty when you are young. -Leonardo da Vinci
3. We are glad that we have not wasted our time. Although we are not praised and outstanding, we should be happy as long as we do not waste our life. -da Vinci
4. Ignorance will make you fail to achieve any results and give up on yourself in disappointment and depression. -Leonardo da Vinci
5. No matter what kind of knowledge you master, it is useful for intelligence. It will throw away useless things and keep good things. -Leonardo da Vinci
6. When you are alone, you are all your own. With a companion, only half of yourself is left, and the worse the character of the companion, the less you have left. -Leonardo da Vinci's "On Painting"
7. The hobby of a thing is generated by knowledge. The more accurate the knowledge, the stronger the hobby. -Leonardo da Vinci
8. People's wisdom will wither if it is not used. -Leonardo da Vinci
9. As long as you have tried flying, you will look up at the sky when you walk in the future, because that's where you have been and are eager to go back. -Leonardo da Vinci
1. People mistakenly sigh the passage of time. Blaming time for passing too fast and not thinking that time is abundant naturally endows us with good memories, which makes everything experience longer than it actually exists. -Leonardo da Vinci