Robert Boyle

In solitude, the mind communes with the Creator.

The alchemist's gold is knowledge, not metal.

Reason is the candle of the Lord.

Experiments must be repeated to confirm truth.

The heavens declare the glory of God.

Matter is composed of insensible particles.

Life's brevity calls for eternal preparation.

The virtuos o's delight is in discovering God's works.

Pressure and volume are inversely related in gases.

Prayer and study are the twin pillars of understanding.

The subtlety of effluvia defies the senses.

Happiness is found in serving the Divine purpose.

Scepticism purges error from philosophy.

The earth's fertility arises from hidden motions.

Charity is the queen of virtues.

Observation is the eye of science.

The soul yearns for the infinite, as science seeks the minute.

In my final hours, I commend my spirit to God.

Wit in science is the spark that ignites discovery.

The Sceptical Chymist: or Chymico-Physical Doubts & Paradoxes, Touching the Spagyrist's Principles Commonly call'd Hypostatical, As they are wont to be Propos'd and Defended by the Generality of Alchymists. Whereunto is præmis'd Part of another Discourse relating to the same Subject.