In 1 sentence, give the best piece of advice you can.

[Alistaire]

Mostly if it's your first class in the game Listen to other people's advice.

Addendum to that: starting out as a tank is the hardest. Then healer, then dps. Not gonna say don't start off as a tank, but recognise it's the harder route.

[DoubleT]

When something trivial pisses you off, be sure to come here and post multiple threads about it.

[NaliaBrown]

Don't stand in shit.

[Fahzewn]

You don't have to use the key items to remove the glamour, just attack them.

[mythicrose]

When speaking to Minfillia, do your best to look her in the eyes.

[AarinEphemera]

Don't drop the soap.

[Rubieus]

Be patient with those who are not as fortunate as you are, and be gratuitous in your actions to aid them.

[SummonerSenah]

If you're playing a mage class, learn Swiftcast.

[DoctaruRavenbe]

Just do your best not to be a jerk.

[Yumi_umi]

Don't lose your way in your mind,
We have to be as one.