Begin doing what you want to do now. We are not living in eternity. We have only this moment, sparkling like a star in our hand - and melting like a snowflake.

Disciples do owe their masters only a temporary belief, and a suspension of their own judgment till they be fully instructed.

Nobility of birth commonly abateth industry.

No pleasure is comparable to the standing upon the vantage-ground of truth.

Upon a given body to generate and superinduce a new nature or new natures is the work and aim of human power. To discover the Form of a given nature, or its true difference, or its causal nature, or fount of its emanation... this is the work and aim of human knowledge.

Again there is another great and powerful cause why the sciences have made but little progress; which is this. It is not possible to run a course aright when the goal itself has not been rightly placed.

If the hill will not come to Mahomet, Mahomet will go to the hill.