To fall into a habit is to begin to cease to be.

Fear is the start of wisdom.

Science is the most intimate school of resignation and humility, for it teaches us to bow before the seemingly most insignificant of facts.

The less we read, the more harmful it is what we read.

Science teaches us, in effect, to submit our reason to the truth and to know and judge of things as they are-that is to say, as they themselves choose to be and not as we would have them to be.

It is truer to say that martyrs create faith more than faith creates martyrs.

Love personalizes all that it loves. Only by personalizing it can we fall in love with an idea.