“Anyone can hold the helm when the sea is calm.”

I have often regretted my speech, never my silence.

Do not turn back when you are just at the goal.

A rolling stone gathers no moss.

Better be ignorant of a matter than half know it.

While we stop to think, we often miss our opportunity.

Never promise more than you can perform.

Notice that the stiffest tree is most easily cracked, while the bamboo or willow survives by bending with the wind.