True courage is a result of reasoning. A brave mind is always impregnable.

Interactive computers and software will I think provide a less costly method of doing some kinds of inquiry in knowledge acquisition and even reasoning and interaction.

It frequently happens that two persons reasoning right on a mechanical subject think alike and invent the same thing without any communication with each other.

Accuracy is in every case advantageous to beauty and just reasoning to delicate sentiment. In vain would we exalt the one by depreciating the other.

Logic: The art of thinking and reasoning in strict accordance with the limitations and incapacities of the human misunderstanding.