It is impossible to verify "who" specifically said it.

It is said to be the motto of Harvard University, and some people say it comes from the "Harvard University Library Management Instructions" because Harvard's motto has only one word - the Latin Veritas (truth).

Appendix "The Legendary Harvard Motto":

1. This moment will nap, you will have a dream; but this moment study, you will interpret a dream.

If you take a nap now, you will dream; if you study now, you will realize your dream.

2. I leave uncultivated today, was precisely yesterday perishes tomorrow which person of the body implored.

My uncultivated today is precisely the tomorrow that the person who died yesterday prayed for.

3. Thought is already is late, exactly is the earliest time.

Thought is already is late, exactly is the earliest time.

Though it is already too late, exactly is the earliest time.

4. Not matter of the today will drag tomorrow.

Don’t drag today’s things to tomorrow.

5. Time the study pain is temporary, has not learned the pain is life-long.

Time the study pain is temporary, has not learned the pain is life-long.

Time the study pain is temporary, has not learned the pain is life-long.

6. Studies this matter, lacks the time, but is lacks diligently.

Study this matter, lacks the time, but is lacks diligently.

Study this matter, lacks the time, but is lacks diligently.

7. Perhaps happiness does not arrange the position, but succeeds must arrange the position.

Happiness may not be ranked, but success must be ranked.

8. The study certainly is not the life complete. But, since continually life part of - studies also are unable to conquer, what but also can make?

Studying is not life of all. But, since you can't conquer even one part of life - learning, what else can you do?

9. Please enjoy the pain which is unable to avoid.

Please enjoy the pain which is unable to avoid.

10. Only has compared to the others early, diligently, can feel the successful taste.

Only has compared to the others early, diligently, can feel the successful taste.

11. Nobody can casually succeed; it comes from the thorough self-control and the will.

No one can casually succeed; it comes from the thorough self-control and the will.

12. The time is passing.

Time is passing.

13. Now drips the saliva, will become tomorrow the tear.

Now drips the saliva, will become tomorrow the tear.

14. The dog equally study, the gentleman plays equally.

The dog studies equally, the gentleman plays equally.

15. Today does not walk, will have to run tomorrow.

If you don’t walk today, you will have to run tomorrow.

16. The investment future person will be, will be loyal to the reality person.

The person who invests in the future is a person who is loyal to reality.

17. The education level represents the income.

The education level represents the income.

18. One day, has not been able again to come.

One day, has not been able to come again.

19. Even if the present, the match does not stop changes the page.

Even now, the opponent keeps turning the pages.

20. Has not been difficult, then does not have attains

Without hardship, there is nothing gained.