Come my little one, and give me your hand.

All truly wise thoughts have been thought already thousands of times; but to make them truly ours, we must think them over again honestly, until they take root in our personal experience.

Give me the benefit of your convictions, if you have any; but keep your doubts to yourself, for I have enough of my own.

Let us seek to fathom those things that are fathomable and reserve those things which are unfathomable for reverence in quietude.

The most damaging prejudice consists of banning any kind of investigation of nature.

Rejoice that you have still have a long time to live, before the thought comes to you that there is nothing more in the world to see.

It doesn't behoove elderly persons to follow fashion in their thinking nor in the way they dress.