三年级学生可以用英语写的一些名言警句如下：

Do one thing at a time, and do well.

一次只做一件事，做到最好!

Never forget to say “thanks”.

永远不要忘了说“谢谢”!

Keep on going never give up.

勇往直前，决不放弃!

Never say die.

永不气馁!

Time is money.

时间就是金钱。

Lies have short legs.

谎言站不长。

Life is but a span.

人生苦短。

Life is half spent before we know what it is.

人过半生，方知天命。

Life is not all roses.

人生并不是康庄大道。

Life without a friend is death.

没有朋友，虽生犹死。

Genius only means hard-working all ones life.

天才只意味着终身不懈的努力。

One today is worth two tomorrows.

一个今天胜似两个明天。

Take time when time comes lest time steal away.

时来必须要趁时，不然时去无声息。

All things are difficult before they are easy.

万事开头难。

When all else is lost, the future still remains.

就是失去了一切别的，也还有未来。

Sow nothing, reap nothing.

春不播，秋不收。

No man or woman is worth your tears, and the one who is, won't make you cry.

没有人值得你流泪，值得让你这么做的人不会让你哭泣。

To the world you may be one person, but to one person you may be the world.

对于世界而言，你是一个人；但是对于某个人，你是他的整个世界。

Live a noble and honest life. Reviving past times in your old age will help you to enjoy your life again.

过一种高尚而诚实的生活。当你年老时回想起过去，你就能再一次享受人生。

He that respects not is not respected.欲受人敬，要先敬人。So said, so done. 说到做到。言出必行。Haste makes waste. 忙乱易错。欲速则不达。Better be envied than pitied.

欲受人敬，要先敬人。说到做到。言出必行。忙乱易错。欲速则不达。宁可被人羡慕，不要被人怜悯。

这些名言警句既适合三年级学生的学习，也能启发他们的思考和行为。希望这些建议对你有所帮助!