孤独不是缺乏陪伴，孤独是缺乏目标。
The test of a first-rate intelligence is the ability to hold two opposed ideas in mind at the same time and still retain the ability to function.
Today is cruel, tomorrow is crueler, and the day after tomorrow is beautiful, but most people will die tomorrow night and won't see the sun of the day after tomorrow.
The iron rule of nature is: you get what you reward for. If you want ants to come, you put sugar on the floor.
The joy of running is not in the finish line, but in the journey.
Nothing is a waste of time if you use the experience wisely.