A person cannot love a plant after he has pruned it, then he has either done a poor job or is devoid of emotion.

There is no excellence without labor. One cannot dream oneself into either usefulness or happiness.

There are two essential epochs in any enterprise - to begin, and to get done.

We accept it because we have seen the vision. We know that we cannot reap the harvest, but we hope that we may so well prepare the land and so diligently sow the seed that our successors may gather the ripened grain.

When the traveler goes alone he gets acquainted with himself.

One's happiness depends less on what he knows than on what he feels.