关于友情的英文版经典诗句和谚语如下：

A life without a friend is a life without a sun.

人生没有朋友， 犹如人生没有了太阳。

A friend is a second self.

朋友乃第二个自我。

Between friends all is common.

朋友间不分彼此。

A friend to all is a friend to none.

滥交者没有朋友。

Both together do best of all.

二人同心，无往不胜。

Don't apologize between friends.

朋友之间不用言歉。

Old friends and old wine are best.

陈酒味醇， 老友情深。

The friendship of a gentleman is insipid as water.

君子之交淡如水。

You Are Always My Friend.

友谊能使人同舟共济，这样才能营造和谐社会。

A friend in need is a friend indeed.

在需要时出现的，才是真朋友。

True friends are like diamonds - bright, precious and always in style.

真正的友谊如同钻石，永远闪耀且经久不衰。

Friendship is the wine of life； health is its glass.

友谊是生活的美酒，健康是品味它的酒杯。

这些诗句和谚语不仅表达了友情的珍贵和重要性，还强调了朋友之间的信任、支持和忠诚。希望这些经典语句能帮助你更好地理解和欣赏友情的美好。