The essence of knowledge is, having it, to apply it; not having it, to confess your ignorance.

He who learns but does not think, is lost! He who thinks but does not learn is in great danger.

By three methods we may learn wisdom: First, by reflection, which is noblest; Second, by imitation, which is easiest; and third by experience, which is the bitterest.

I hear and I forget. I see and I believe. I do and I understand.

The superior man acts before he speaks, and afterwards speaks according to his action.

I hear and I forget. I see and I remember. I do and I understand.

Our greatest glory is not in never falling, but in rising every time we fall.

Our greatest glory is not in never falling, but in rising every time we fall.