Wonder is the first of all the passions.

The two operations of our understanding, intuition and deduction, on which alone we have said we must rely in the acquisition of knowledge.

The chief cause of human errors is to be found in the prejudices picked up in childhood.

The object of music is a Sound. The end; to delight, and move various Affections in us.

Illusory joy is often worth more than genuine sorrow.

The reading of all good books is like a conversation with the finest minds of past centuries.

If I go for the alternative which is false, then obviously I shall be in error; if I take the other side, then it is by... chance that I arrive at the truth, and I shall still be at fault.... In this incorrect use of free will may be found the privation which constitutes the essence of error.