Genius is present in every age, but the men carrying it within them remain benumbed unless extraordinary events occur to heat up and melt the mass so that it flows forth.

Our observation of nature must be diligent, our reflection profound, and our experiments exact. We rarely see these three means combined; and for this reason, creative geniuses are not common.

Women who seek to be equal with men lack ambition.

There are three principal means of acquiring knowledge. . . observation of nature, reflection, and experimentation. Observation collects facts; reflection combines them; experimentation verifies the result of that combination.

You can use all the quantitative data you can get, but you still have to distrust it and use your own intelligence and judgment.

The illiterate of the future will not be the person who cannot read. It will be the person who does not know how to learn.

Honest differences are often a healthy sign of progress.

It is the quality of our work which will please God and not the quantity.

Adaptability is not imitation. It means power of resistance and assimilation.

In the attitude of silence the soul finds the path in an clearer light, and what is elusive and deceptive resolves itself into crystal clearness. Our life is a long and arduous quest after Truth.