Knowledge is a comfortable and necessary retreat and shelter for us in an advanced age; and if we do not plant it while young, it will give us no shade when we grow old.

Little minds mistake little objects for great ones, and lavish away upon the former that time and attention which only the latterdeserve. To such mistakes we owe the numerous and frivolous tribe of insect-mongers, shell-mongers, and pursuers and driers of butterflies, etc. The strong mind distinguishes, not only between the useful and the useless, but likewise between the useful and the curious.

Though we cannot totally change our nature, we may in great measure correct it by reflection and philosophy; and some philosophy is a very necessary companion in this world, where, even to the most fortunate, the chances are greatly against happiness.

It is good breeding alone that can prepossess people in your favor at first sight, more time being necessary to discover greater talents.

Absolute power can only be supported by error, ignorance and prejudice.

Assurance and intrepidity, under the white banner of seeming modesty, clear the way for merit, that would otherwise be discouraged by difficulties...

I recommend to you to take care of the minutes; for hours will take care of themselves. I am very sure, that many people lose two or three hours every day, by not taking care of the minutes.